28493680

素因数分解:

$2^4\times 5^1\times {\mathrm{356171}}^1$

素因数の和:356184

約数の個数: 20

約数和(自身を含む): 66247992

約数和(自身を除く): 37754312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 356171, 712342, 1424684, 1780855, 2849368, 3561710, 5698736, 7123420, 14246840, 28493680]

約数ペア:

[(1, 28493680), (2, 14246840), (4, 7123420), (5, 5698736), (8, 3561710), (10, 2849368), (16, 1780855), (20, 1424684), (40, 712342), (80, 356171)]