25843220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{99397}}^1$

素因数の和:99419

約数の個数: 24

約数和(自身を含む): 58446024

約数和(自身を除く): 32602804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 99397, 198794, 397588, 496985, 993970, 1292161, 1987940, 2584322, 5168644, 6460805, 12921610, 25843220]

約数ペア:

[(1, 25843220), (2, 12921610), (4, 6460805), (5, 5168644), (10, 2584322), (13, 1987940), (20, 1292161), (26, 993970), (52, 496985), (65, 397588), (130, 198794), (260, 99397)]