51489820

素因数分解:

$2^2\times 5^1\times {\mathrm{73}}^1\times {\mathrm{35267}}^1$

素因数の和:35349

約数の個数: 24

約数和(自身を含む): 109612944

約数和(自身を除く): 58123124

約数列:

[1, 2, 4, 5, 10, 20, 73, 146, 292, 365, 730, 1460, 35267, 70534, 141068, 176335, 352670, 705340, 2574491, 5148982, 10297964, 12872455, 25744910, 51489820]

約数ペア:

[(1, 51489820), (2, 25744910), (4, 12872455), (5, 10297964), (10, 5148982), (20, 2574491), (73, 705340), (146, 352670), (292, 176335), (365, 141068), (730, 70534), (1460, 35267)]