72427640

素因数分解:

$2^3\times 5^1\times {\mathrm{743}}^1\times {\mathrm{2437}}^1$

素因数の和:3191

約数の個数: 32

約数和(自身を含む): 163248480

約数和(自身を除く): 90820840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 743, 1486, 2437, 2972, 3715, 4874, 5944, 7430, 9748, 12185, 14860, 19496, 24370, 29720, 48740, 97480, 1810691, 3621382, 7242764, 9053455, 14485528, 18106910, 36213820, 72427640]

約数ペア:

[(1, 72427640), (2, 36213820), (4, 18106910), (5, 14485528), (8, 9053455), (10, 7242764), (20, 3621382), (40, 1810691), (743, 97480), (1486, 48740), (2437, 29720), (2972, 24370), (3715, 19496), (4874, 14860), (5944, 12185), (7430, 9748)]