31002920

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{59621}}^1$

素因数の和:59645

約数の個数: 32

約数和(自身を含む): 75123720

約数和(自身を除く): 44120800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 59621, 119242, 238484, 298105, 476968, 596210, 775073, 1192420, 1550146, 2384840, 3100292, 3875365, 6200584, 7750730, 15501460, 31002920]

約数ペア:

[(1, 31002920), (2, 15501460), (4, 7750730), (5, 6200584), (8, 3875365), (10, 3100292), (13, 2384840), (20, 1550146), (26, 1192420), (40, 775073), (52, 596210), (65, 476968), (104, 298105), (130, 238484), (260, 119242), (520, 59621)]