30921320

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{6841}}^1$

素因数の和:6965

約数の個数: 32

約数和(自身を含む): 70198920

約数和(自身を除く): 39277600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 6841, 13682, 27364, 34205, 54728, 68410, 136820, 273640, 773033, 1546066, 3092132, 3865165, 6184264, 7730330, 15460660, 30921320]

約数ペア:

[(1, 30921320), (2, 15460660), (4, 7730330), (5, 6184264), (8, 3865165), (10, 3092132), (20, 1546066), (40, 773033), (113, 273640), (226, 136820), (452, 68410), (565, 54728), (904, 34205), (1130, 27364), (2260, 13682), (4520, 6841)]