25160000

素因数分解:

$2^6\times 5^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:86

約数の個数: 140

約数和(自身を含む): 67843908

約数和(自身を除く): 42683908

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, 136, 148, 160, 170, 185, 200, 250, 272, 296, 320, 340, 370, 400, 425, 500, 544, 592, 625, 629, 680, 740, 800, 850, 925, 1000, 1088, 1184, 1250, 1258, 1360, 1480, 1600, 1700, 1850, 2000, 2125, 2368, 2500, 2516, 2720, 2960, 3145, 3400, 3700, 4000, 4250, 4625, 5000, 5032, 5440, 5920, 6290, 6800, 7400, 8000, 8500, 9250, 10000, 10064, 10625, 11840, 12580, 13600, 14800, 15725, 17000, 18500, 20000, 20128, 21250, 23125, 25160, 27200, 29600, 31450, 34000, 37000, 40000, 40256, 42500, 46250, 50320, 59200, 62900, 68000, 74000, 78625, 85000, 92500, 100640, 125800, 136000, 148000, 157250, 170000, 185000, 201280, 251600, 296000, 314500, 340000, 370000, 393125, 503200, 629000, 680000, 740000, 786250, 1006400, 1258000, 1480000, 1572500, 2516000, 3145000, 5032000, 6290000, 12580000, 25160000]

約数ペア:

[(1, 25160000), (2, 12580000), (4, 6290000), (5, 5032000), (8, 3145000), (10, 2516000), (16, 1572500), (17, 1480000), (20, 1258000), (25, 1006400), (32, 786250), (34, 740000), (37, 680000), (40, 629000), (50, 503200), (64, 393125), (68, 370000), (74, 340000), (80, 314500), (85, 296000), (100, 251600), (125, 201280), (136, 185000), (148, 170000), (160, 157250), (170, 148000), (185, 136000), (200, 125800), (250, 100640), (272, 92500), (296, 85000), (320, 78625), (340, 74000), (370, 68000), (400, 62900), (425, 59200), (500, 50320), (544, 46250), (592, 42500), (625, 40256), (629, 40000), (680, 37000), (740, 34000), (800, 31450), (850, 29600), (925, 27200), (1000, 25160), (1088, 23125), (1184, 21250), (1250, 20128), (1258, 20000), (1360, 18500), (1480, 17000), (1600, 15725), (1700, 14800), (1850, 13600), (2000, 12580), (2125, 11840), (2368, 10625), (2500, 10064), (2516, 10000), (2720, 9250), (2960, 8500), (3145, 8000), (3400, 7400), (3700, 6800), (4000, 6290), (4250, 5920), (4625, 5440), (5000, 5032)]