13220740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{50849}}^1$

素因数の和:50871

約数の個数: 24

約数和(自身を含む): 29899800

約数和(自身を除く): 16679060

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 50849, 101698, 203396, 254245, 508490, 661037, 1016980, 1322074, 2644148, 3305185, 6610370, 13220740]

約数ペア:

[(1, 13220740), (2, 6610370), (4, 3305185), (5, 2644148), (10, 1322074), (13, 1016980), (20, 661037), (26, 508490), (52, 254245), (65, 203396), (130, 101698), (260, 50849)]