80512000

素因数分解:

$2^{10}\times 5^3\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:89

約数の個数: 176

約数和(自身を含む): 218423088

約数和(自身を除く): 137911088

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, 512, 544, 592, 629, 640, 680, 740, 800, 850, 925, 1000, 1024, 1088, 1184, 1258, 1280, 1360, 1480, 1600, 1700, 1850, 2000, 2125, 2176, 2368, 2516, 2560, 2720, 2960, 3145, 3200, 3400, 3700, 4000, 4250, 4352, 4625, 4736, 5032, 5120, 5440, 5920, 6290, 6400, 6800, 7400, 8000, 8500, 8704, 9250, 9472, 10064, 10880, 11840, 12580, 12800, 13600, 14800, 15725, 16000, 17000, 17408, 18500, 18944, 20128, 21760, 23680, 25160, 25600, 27200, 29600, 31450, 32000, 34000, 37000, 37888, 40256, 43520, 47360, 50320, 54400, 59200, 62900, 64000, 68000, 74000, 78625, 80512, 87040, 94720, 100640, 108800, 118400, 125800, 128000, 136000, 148000, 157250, 161024, 189440, 201280, 217600, 236800, 251600, 272000, 296000, 314500, 322048, 402560, 435200, 473600, 503200, 544000, 592000, 629000, 644096, 805120, 947200, 1006400, 1088000, 1184000, 1258000, 1610240, 2012800, 2176000, 2368000, 2516000, 3220480, 4025600, 4736000, 5032000, 8051200, 10064000, 16102400, 20128000, 40256000, 80512000]

約数ペア:

[(1, 80512000), (2, 40256000), (4, 20128000), (5, 16102400), (8, 10064000), (10, 8051200), (16, 5032000), (17, 4736000), (20, 4025600), (25, 3220480), (32, 2516000), (34, 2368000), (37, 2176000), (40, 2012800), (50, 1610240), (64, 1258000), (68, 1184000), (74, 1088000), (80, 1006400), (85, 947200), (100, 805120), (125, 644096), (128, 629000), (136, 592000), (148, 544000), (160, 503200), (170, 473600), (185, 435200), (200, 402560), (250, 322048), (256, 314500), (272, 296000), (296, 272000), (320, 251600), (340, 236800), (370, 217600), (400, 201280), (425, 189440), (500, 161024), (512, 157250), (544, 148000), (592, 136000), (629, 128000), (640, 125800), (680, 118400), (740, 108800), (800, 100640), (850, 94720), (925, 87040), (1000, 80512), (1024, 78625), (1088, 74000), (1184, 68000), (1258, 64000), (1280, 62900), (1360, 59200), (1480, 54400), (1600, 50320), (1700, 47360), (1850, 43520), (2000, 40256), (2125, 37888), (2176, 37000), (2368, 34000), (2516, 32000), (2560, 31450), (2720, 29600), (2960, 27200), (3145, 25600), (3200, 25160), (3400, 23680), (3700, 21760), (4000, 20128), (4250, 18944), (4352, 18500), (4625, 17408), (4736, 17000), (5032, 16000), (5120, 15725), (5440, 14800), (5920, 13600), (6290, 12800), (6400, 12580), (6800, 11840), (7400, 10880), (8000, 10064), (8500, 9472), (8704, 9250)]