53390220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68449}}^1$

素因数の和:68474

約数の個数: 48

約数和(自身を含む): 160994400

約数和(自身を除く): 107604180

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 68449, 136898, 205347, 273796, 342245, 410694, 684490, 821388, 889837, 1026735, 1368980, 1779674, 2053470, 2669511, 3559348, 4106940, 4449185, 5339022, 8898370, 10678044, 13347555, 17796740, 26695110, 53390220]

約数ペア:

[(1, 53390220), (2, 26695110), (3, 17796740), (4, 13347555), (5, 10678044), (6, 8898370), (10, 5339022), (12, 4449185), (13, 4106940), (15, 3559348), (20, 2669511), (26, 2053470), (30, 1779674), (39, 1368980), (52, 1026735), (60, 889837), (65, 821388), (78, 684490), (130, 410694), (156, 342245), (195, 273796), (260, 205347), (390, 136898), (780, 68449)]