78076840

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{3467}}^1$

素因数の和:4041

約数の個数: 32

約数和(自身を含む): 176035680

約数和(自身を除く): 97958840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 3467, 4504, 5630, 6934, 11260, 13868, 17335, 22520, 27736, 34670, 69340, 138680, 1951921, 3903842, 7807684, 9759605, 15615368, 19519210, 39038420, 78076840]

約数ペア:

[(1, 78076840), (2, 39038420), (4, 19519210), (5, 15615368), (8, 9759605), (10, 7807684), (20, 3903842), (40, 1951921), (563, 138680), (1126, 69340), (2252, 34670), (2815, 27736), (3467, 22520), (4504, 17335), (5630, 13868), (6934, 11260)]