64224620

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{31177}}^1$

素因数の和:31289

約数の個数: 24

約数和(自身を含む): 136185504

約数和(自身を除く): 71960884

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 31177, 62354, 124708, 155885, 311770, 623540, 3211231, 6422462, 12844924, 16056155, 32112310, 64224620]

約数ペア:

[(1, 64224620), (2, 32112310), (4, 16056155), (5, 12844924), (10, 6422462), (20, 3211231), (103, 623540), (206, 311770), (412, 155885), (515, 124708), (1030, 62354), (2060, 31177)]