124758640

素因数分解:

$2^4\times 5^1\times {\mathrm{1559483}}^1$

素因数の和:1559496

約数の個数: 20

約数和(自身を含む): 290064024

約数和(自身を除く): 165305384

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1559483, 3118966, 6237932, 7797415, 12475864, 15594830, 24951728, 31189660, 62379320, 124758640]

約数ペア:

[(1, 124758640), (2, 62379320), (4, 31189660), (5, 24951728), (8, 15594830), (10, 12475864), (16, 7797415), (20, 6237932), (40, 3118966), (80, 1559483)]