164156780

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{264769}}^1$

素因数の和:264809

約数の個数: 24

約数和(自身を含む): 355850880

約数和(自身を除く): 191694100

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 264769, 529538, 1059076, 1323845, 2647690, 5295380, 8207839, 16415678, 32831356, 41039195, 82078390, 164156780]

約数ペア:

[(1, 164156780), (2, 82078390), (4, 41039195), (5, 32831356), (10, 16415678), (20, 8207839), (31, 5295380), (62, 2647690), (124, 1323845), (155, 1059076), (310, 529538), (620, 264769)]