30789980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{118423}}^1$

素因数の和:118445

約数の個数: 24

約数和(自身を含む): 69633312

約数和(自身を除く): 38843332

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 118423, 236846, 473692, 592115, 1184230, 1539499, 2368460, 3078998, 6157996, 7697495, 15394990, 30789980]

約数ペア:

[(1, 30789980), (2, 15394990), (4, 7697495), (5, 6157996), (10, 3078998), (13, 2368460), (20, 1539499), (26, 1184230), (52, 592115), (65, 473692), (130, 236846), (260, 118423)]