72850280

素因数分解:

$2^3\times 5^1\times {\mathrm{1821257}}^1$

素因数の和:1821268

約数の個数: 16

約数和(自身を含む): 163913220

約数和(自身を除く): 91062940

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1821257, 3642514, 7285028, 9106285, 14570056, 18212570, 36425140, 72850280]

約数ペア:

[(1, 72850280), (2, 36425140), (4, 18212570), (5, 14570056), (8, 9106285), (10, 7285028), (20, 3642514), (40, 1821257)]