247909360

素因数分解:

$2^4\times 5^1\times {\mathrm{3098867}}^1$

素因数の和:3098880

約数の個数: 20

約数和(自身を含む): 576389448

約数和(自身を除く): 328480088

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3098867, 6197734, 12395468, 15494335, 24790936, 30988670, 49581872, 61977340, 123954680, 247909360]

約数ペア:

[(1, 247909360), (2, 123954680), (4, 61977340), (5, 49581872), (8, 30988670), (10, 24790936), (16, 15494335), (20, 12395468), (40, 6197734), (80, 3098867)]