166216420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{268091}}^1$

素因数の和:268131

約数の個数: 24

約数和(自身を含む): 360315648

約数和(自身を除く): 194099228

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 268091, 536182, 1072364, 1340455, 2680910, 5361820, 8310821, 16621642, 33243284, 41554105, 83108210, 166216420]

約数ペア:

[(1, 166216420), (2, 83108210), (4, 41554105), (5, 33243284), (10, 16621642), (20, 8310821), (31, 5361820), (62, 2680910), (124, 1340455), (155, 1072364), (310, 536182), (620, 268091)]