100640000

素因数分解:

$2^8\times 5^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:90

約数の個数: 180

約数和(自身を含む): 272978244

約数和(自身を除く): 172338244

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 37, 40, 50, 64, 68, 74, 80, 85, 100, 125, 128, 136, 148, 160, 170, 185, 200, 250, 256, 272, 296, 320, 340, 370, 400, 425, 500, 544, 592, 625, 629, 640, 680, 740, 800, 850, 925, 1000, 1088, 1184, 1250, 1258, 1280, 1360, 1480, 1600, 1700, 1850, 2000, 2125, 2176, 2368, 2500, 2516, 2720, 2960, 3145, 3200, 3400, 3700, 4000, 4250, 4352, 4625, 4736, 5000, 5032, 5440, 5920, 6290, 6400, 6800, 7400, 8000, 8500, 9250, 9472, 10000, 10064, 10625, 10880, 11840, 12580, 13600, 14800, 15725, 16000, 17000, 18500, 20000, 20128, 21250, 21760, 23125, 23680, 25160, 27200, 29600, 31450, 32000, 34000, 37000, 40000, 40256, 42500, 46250, 47360, 50320, 54400, 59200, 62900, 68000, 74000, 78625, 80000, 80512, 85000, 92500, 100640, 108800, 118400, 125800, 136000, 148000, 157250, 160000, 161024, 170000, 185000, 201280, 236800, 251600, 272000, 296000, 314500, 340000, 370000, 393125, 402560, 503200, 544000, 592000, 629000, 680000, 740000, 786250, 805120, 1006400, 1184000, 1258000, 1360000, 1480000, 1572500, 2012800, 2516000, 2720000, 2960000, 3145000, 4025600, 5032000, 5920000, 6290000, 10064000, 12580000, 20128000, 25160000, 50320000, 100640000]

約数ペア:

[(1, 100640000), (2, 50320000), (4, 25160000), (5, 20128000), (8, 12580000), (10, 10064000), (16, 6290000), (17, 5920000), (20, 5032000), (25, 4025600), (32, 3145000), (34, 2960000), (37, 2720000), (40, 2516000), (50, 2012800), (64, 1572500), (68, 1480000), (74, 1360000), (80, 1258000), (85, 1184000), (100, 1006400), (125, 805120), (128, 786250), (136, 740000), (148, 680000), (160, 629000), (170, 592000), (185, 544000), (200, 503200), (250, 402560), (256, 393125), (272, 370000), (296, 340000), (320, 314500), (340, 296000), (370, 272000), (400, 251600), (425, 236800), (500, 201280), (544, 185000), (592, 170000), (625, 161024), (629, 160000), (640, 157250), (680, 148000), (740, 136000), (800, 125800), (850, 118400), (925, 108800), (1000, 100640), (1088, 92500), (1184, 85000), (1250, 80512), (1258, 80000), (1280, 78625), (1360, 74000), (1480, 68000), (1600, 62900), (1700, 59200), (1850, 54400), (2000, 50320), (2125, 47360), (2176, 46250), (2368, 42500), (2500, 40256), (2516, 40000), (2720, 37000), (2960, 34000), (3145, 32000), (3200, 31450), (3400, 29600), (3700, 27200), (4000, 25160), (4250, 23680), (4352, 23125), (4625, 21760), (4736, 21250), (5000, 20128), (5032, 20000), (5440, 18500), (5920, 17000), (6290, 16000), (6400, 15725), (6800, 14800), (7400, 13600), (8000, 12580), (8500, 11840), (9250, 10880), (9472, 10625), (10000, 10064)]