66142220

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{106681}}^1$

素因数の和:106721

約数の個数: 24

約数和(自身を含む): 143380608

約数和(自身を除く): 77238388

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 106681, 213362, 426724, 533405, 1066810, 2133620, 3307111, 6614222, 13228444, 16535555, 33071110, 66142220]

約数ペア:

[(1, 66142220), (2, 33071110), (4, 16535555), (5, 13228444), (10, 6614222), (20, 3307111), (31, 2133620), (62, 1066810), (124, 533405), (155, 426724), (310, 213362), (620, 106681)]