2042720

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{751}}^1$

素因数の和:783

約数の個数: 48

約数和(自身を含む): 5116608

約数和(自身を除く): 3073888

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 751, 1360, 1502, 2720, 3004, 3755, 6008, 7510, 12016, 12767, 15020, 24032, 25534, 30040, 51068, 60080, 63835, 102136, 120160, 127670, 204272, 255340, 408544, 510680, 1021360, 2042720]

約数ペア:

[(1, 2042720), (2, 1021360), (4, 510680), (5, 408544), (8, 255340), (10, 204272), (16, 127670), (17, 120160), (20, 102136), (32, 63835), (34, 60080), (40, 51068), (68, 30040), (80, 25534), (85, 24032), (136, 15020), (160, 12767), (170, 12016), (272, 7510), (340, 6008), (544, 3755), (680, 3004), (751, 2720), (1360, 1502)]