30820820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{49711}}^1$

素因数の和:49751

約数の個数: 24

約数和(自身を含む): 66812928

約数和(自身を除く): 35992108

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 49711, 99422, 198844, 248555, 497110, 994220, 1541041, 3082082, 6164164, 7705205, 15410410, 30820820]

約数ペア:

[(1, 30820820), (2, 15410410), (4, 7705205), (5, 6164164), (10, 3082082), (20, 1541041), (31, 994220), (62, 497110), (124, 248555), (155, 198844), (310, 99422), (620, 49711)]