105812920

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{85333}}^1$

素因数の和:85375

約数の個数: 32

約数和(自身を含む): 245761920

約数和(自身を除く): 139949000

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 85333, 170666, 341332, 426665, 682664, 853330, 1706660, 2645323, 3413320, 5290646, 10581292, 13226615, 21162584, 26453230, 52906460, 105812920]

約数ペア:

[(1, 105812920), (2, 52906460), (4, 26453230), (5, 21162584), (8, 13226615), (10, 10581292), (20, 5290646), (31, 3413320), (40, 2645323), (62, 1706660), (124, 853330), (155, 682664), (248, 426665), (310, 341332), (620, 170666), (1240, 85333)]