30521840

素因数分解:

$2^4\times 5^1\times {\mathrm{381523}}^1$

素因数の和:381536

約数の個数: 20

約数和(自身を含む): 70963464

約数和(自身を除く): 40441624

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 381523, 763046, 1526092, 1907615, 3052184, 3815230, 6104368, 7630460, 15260920, 30521840]

約数ペア:

[(1, 30521840), (2, 15260920), (4, 7630460), (5, 6104368), (8, 3815230), (10, 3052184), (16, 1907615), (20, 1526092), (40, 763046), (80, 381523)]