30878480

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{12451}}^1$

素因数の和:12495

約数の個数: 40

約数和(自身を含む): 74114304

約数和(自身を除く): 43235824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 12451, 24902, 49804, 62255, 99608, 124510, 199216, 249020, 385981, 498040, 771962, 996080, 1543924, 1929905, 3087848, 3859810, 6175696, 7719620, 15439240, 30878480]

約数ペア:

[(1, 30878480), (2, 15439240), (4, 7719620), (5, 6175696), (8, 3859810), (10, 3087848), (16, 1929905), (20, 1543924), (31, 996080), (40, 771962), (62, 498040), (80, 385981), (124, 249020), (155, 199216), (248, 124510), (310, 99608), (496, 62255), (620, 49804), (1240, 24902), (2480, 12451)]