8889493940

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6260207}}^1$

素因数の和:6260287

約数の個数: 24

約数和(自身を含む): 18930868992

約数和(自身を除く): 10041375052

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 6260207, 12520414, 25040828, 31301035, 62602070, 125204140, 444474697, 888949394, 1777898788, 2222373485, 4444746970, 8889493940]

約数ペア:

[(1, 8889493940), (2, 4444746970), (4, 2222373485), (5, 1777898788), (10, 888949394), (20, 444474697), (71, 125204140), (142, 62602070), (284, 31301035), (355, 25040828), (710, 12520414), (1420, 6260207)]