77468680

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47237}}^1$

素因数の和:47289

約数の個数: 32

約数和(自身を含む): 178559640

約数和(自身を除く): 101090960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 47237, 94474, 188948, 236185, 377896, 472370, 944740, 1889480, 1936717, 3873434, 7746868, 9683585, 15493736, 19367170, 38734340, 77468680]

約数ペア:

[(1, 77468680), (2, 38734340), (4, 19367170), (5, 15493736), (8, 9683585), (10, 7746868), (20, 3873434), (40, 1936717), (41, 1889480), (82, 944740), (164, 472370), (205, 377896), (328, 236185), (410, 188948), (820, 94474), (1640, 47237)]