49901680

素因数分解:

$2^4\times 5^1\times {\mathrm{623771}}^1$

素因数の和:623784

約数の個数: 20

約数和(自身を含む): 116021592

約数和(自身を除く): 66119912

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 623771, 1247542, 2495084, 3118855, 4990168, 6237710, 9980336, 12475420, 24950840, 49901680]

約数ペア:

[(1, 49901680), (2, 24950840), (4, 12475420), (5, 9980336), (8, 6237710), (10, 4990168), (16, 3118855), (20, 2495084), (40, 1247542), (80, 623771)]