30839960

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6823}}^1$

素因数の和:6947

約数の個数: 32

約数和(自身を含む): 70014240

約数和(自身を除く): 39174280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6823, 13646, 27292, 34115, 54584, 68230, 136460, 272920, 770999, 1541998, 3083996, 3854995, 6167992, 7709990, 15419980, 30839960]

約数ペア:

[(1, 30839960), (2, 15419980), (4, 7709990), (5, 6167992), (8, 3854995), (10, 3083996), (20, 1541998), (40, 770999), (113, 272920), (226, 136460), (452, 68230), (565, 54584), (904, 34115), (1130, 27292), (2260, 13646), (4520, 6823)]