80321980

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{174613}}^1$

素因数の和:174645

約数の個数: 24

約数和(自身を含む): 176010912

約数和(自身を除く): 95688932

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 174613, 349226, 698452, 873065, 1746130, 3492260, 4016099, 8032198, 16064396, 20080495, 40160990, 80321980]

約数ペア:

[(1, 80321980), (2, 40160990), (4, 20080495), (5, 16064396), (10, 8032198), (20, 4016099), (23, 3492260), (46, 1746130), (92, 873065), (115, 698452), (230, 349226), (460, 174613)]