82016740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{315449}}^1$

素因数の和:315471

約数の個数: 24

約数和(自身を含む): 185484600

約数和(自身を除く): 103467860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 315449, 630898, 1261796, 1577245, 3154490, 4100837, 6308980, 8201674, 16403348, 20504185, 41008370, 82016740]

約数ペア:

[(1, 82016740), (2, 41008370), (4, 20504185), (5, 16403348), (10, 8201674), (13, 6308980), (20, 4100837), (26, 3154490), (52, 1577245), (65, 1261796), (130, 630898), (260, 315449)]