249933680

素因数分解:

$2^4\times 5^1\times {\mathrm{3124171}}^1$

素因数の和:3124184

約数の個数: 20

約数和(自身を含む): 581095992

約数和(自身を除く): 331162312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 3124171, 6248342, 12496684, 15620855, 24993368, 31241710, 49986736, 62483420, 124966840, 249933680]

約数ペア:

[(1, 249933680), (2, 124966840), (4, 62483420), (5, 49986736), (8, 31241710), (10, 24993368), (16, 15620855), (20, 12496684), (40, 6248342), (80, 3124171)]