3984740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{6427}}^1$

素因数の和:6467

約数の個数: 24

約数和(自身を含む): 8639232

約数和(自身を除く): 4654492

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 6427, 12854, 25708, 32135, 64270, 128540, 199237, 398474, 796948, 996185, 1992370, 3984740]

約数ペア:

[(1, 3984740), (2, 1992370), (4, 996185), (5, 796948), (10, 398474), (20, 199237), (31, 128540), (62, 64270), (124, 32135), (155, 25708), (310, 12854), (620, 6427)]