51504132940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{198092819}}^1$

素因数の和:198092841

約数の個数: 24

約数和(自身を含む): 116478578160

約数和(自身を除く): 64974445220

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 198092819, 396185638, 792371276, 990464095, 1980928190, 2575206647, 3961856380, 5150413294, 10300826588, 12876033235, 25752066470, 51504132940]

約数ペア:

[(1, 51504132940), (2, 25752066470), (4, 12876033235), (5, 10300826588), (10, 5150413294), (13, 3961856380), (20, 2575206647), (26, 1980928190), (52, 990464095), (65, 792371276), (130, 396185638), (260, 198092819)]