1681738220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2712481}}^1$

素因数の和:2712521

約数の個数: 24

約数和(自身を含む): 3645575808

約数和(自身を除く): 1963837588

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 2712481, 5424962, 10849924, 13562405, 27124810, 54249620, 84086911, 168173822, 336347644, 420434555, 840869110, 1681738220]

約数ペア:

[(1, 1681738220), (2, 840869110), (4, 420434555), (5, 336347644), (10, 168173822), (20, 84086911), (31, 54249620), (62, 27124810), (124, 13562405), (155, 10849924), (310, 5424962), (620, 2712481)]