172495160

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{139109}}^1$

素因数の和:139151

約数の個数: 32

約数和(自身を含む): 400636800

約数和(自身を除く): 228141640

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 139109, 278218, 556436, 695545, 1112872, 1391090, 2782180, 4312379, 5564360, 8624758, 17249516, 21561895, 34499032, 43123790, 86247580, 172495160]

約数ペア:

[(1, 172495160), (2, 86247580), (4, 43123790), (5, 34499032), (8, 21561895), (10, 17249516), (20, 8624758), (31, 5564360), (40, 4312379), (62, 2782180), (124, 1391090), (155, 1112872), (248, 695545), (310, 556436), (620, 278218), (1240, 139109)]