72895580

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{43913}}^1$

素因数の和:44005

約数の個数: 24

約数和(自身を含む): 154928592

約数和(自身を除く): 82033012

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 43913, 87826, 175652, 219565, 439130, 878260, 3644779, 7289558, 14579116, 18223895, 36447790, 72895580]

約数ペア:

[(1, 72895580), (2, 36447790), (4, 18223895), (5, 14579116), (10, 7289558), (20, 3644779), (83, 878260), (166, 439130), (332, 219565), (415, 175652), (830, 87826), (1660, 43913)]