202602920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{389621}}^1$

素因数の和:389645

約数の個数: 32

約数和(自身を含む): 490923720

約数和(自身を除く): 288320800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 389621, 779242, 1558484, 1948105, 3116968, 3896210, 5065073, 7792420, 10130146, 15584840, 20260292, 25325365, 40520584, 50650730, 101301460, 202602920]

約数ペア:

[(1, 202602920), (2, 101301460), (4, 50650730), (5, 40520584), (8, 25325365), (10, 20260292), (13, 15584840), (20, 10130146), (26, 7792420), (40, 5065073), (52, 3896210), (65, 3116968), (104, 1948105), (130, 1558484), (260, 779242), (520, 389621)]