2012800

素因数分解:

$2^7\times 5^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1$

素因数の和:78

約数の個数: 96

約数和(自身を含む): 5407020

約数和(自身を除く): 3394220

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 25, 32, 34, 37, 40, 50, 64, 68, 74, 80, 85, 100, 128, 136, 148, 160, 170, 185, 200, 272, 296, 320, 340, 370, 400, 425, 544, 592, 629, 640, 680, 740, 800, 850, 925, 1088, 1184, 1258, 1360, 1480, 1600, 1700, 1850, 2176, 2368, 2516, 2720, 2960, 3145, 3200, 3400, 3700, 4736, 5032, 5440, 5920, 6290, 6800, 7400, 10064, 10880, 11840, 12580, 13600, 14800, 15725, 20128, 23680, 25160, 27200, 29600, 31450, 40256, 50320, 54400, 59200, 62900, 80512, 100640, 118400, 125800, 201280, 251600, 402560, 503200, 1006400, 2012800]

約数ペア:

[(1, 2012800), (2, 1006400), (4, 503200), (5, 402560), (8, 251600), (10, 201280), (16, 125800), (17, 118400), (20, 100640), (25, 80512), (32, 62900), (34, 59200), (37, 54400), (40, 50320), (50, 40256), (64, 31450), (68, 29600), (74, 27200), (80, 25160), (85, 23680), (100, 20128), (128, 15725), (136, 14800), (148, 13600), (160, 12580), (170, 11840), (185, 10880), (200, 10064), (272, 7400), (296, 6800), (320, 6290), (340, 5920), (370, 5440), (400, 5032), (425, 4736), (544, 3700), (592, 3400), (629, 3200), (640, 3145), (680, 2960), (740, 2720), (800, 2516), (850, 2368), (925, 2176), (1088, 1850), (1184, 1700), (1258, 1600), (1360, 1480)]