25557220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{98297}}^1$

素因数の和:98319

約数の個数: 24

約数和(自身を含む): 57799224

約数和(自身を除く): 32242004

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 98297, 196594, 393188, 491485, 982970, 1277861, 1965940, 2555722, 5111444, 6389305, 12778610, 25557220]

約数ペア:

[(1, 25557220), (2, 12778610), (4, 6389305), (5, 5111444), (10, 2555722), (13, 1965940), (20, 1277861), (26, 982970), (52, 491485), (65, 393188), (130, 196594), (260, 98297)]