2016120880

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{614671}}^1$

素因数の和:614725

約数の個数: 40

約数和(自身を含む): 4801817664

約数和(自身を除く): 2785696784

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 614671, 1229342, 2458684, 3073355, 4917368, 6146710, 9834736, 12293420, 24586840, 25201511, 49173680, 50403022, 100806044, 126007555, 201612088, 252015110, 403224176, 504030220, 1008060440, 2016120880]

約数ペア:

[(1, 2016120880), (2, 1008060440), (4, 504030220), (5, 403224176), (8, 252015110), (10, 201612088), (16, 126007555), (20, 100806044), (40, 50403022), (41, 49173680), (80, 25201511), (82, 24586840), (164, 12293420), (205, 9834736), (328, 6146710), (410, 4917368), (656, 3073355), (820, 2458684), (1640, 1229342), (3280, 614671)]