8208980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31573}}^1$

素因数の和:31595

約数の個数: 24

約数和(自身を含む): 18565512

約数和(自身を除く): 10356532

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 31573, 63146, 126292, 157865, 315730, 410449, 631460, 820898, 1641796, 2052245, 4104490, 8208980]

約数ペア:

[(1, 8208980), (2, 4104490), (4, 2052245), (5, 1641796), (10, 820898), (13, 631460), (20, 410449), (26, 315730), (52, 157865), (65, 126292), (130, 63146), (260, 31573)]