71783540

素因数分解:

$2^2\times 5^1\times {\mathrm{157}}^1\times {\mathrm{22861}}^1$

素因数の和:23027

約数の個数: 24

約数和(自身を含む): 151712232

約数和(自身を除く): 79928692

約数列:

[1, 2, 4, 5, 10, 20, 157, 314, 628, 785, 1570, 3140, 22861, 45722, 91444, 114305, 228610, 457220, 3589177, 7178354, 14356708, 17945885, 35891770, 71783540]

約数ペア:

[(1, 71783540), (2, 35891770), (4, 17945885), (5, 14356708), (10, 7178354), (20, 3589177), (157, 457220), (314, 228610), (628, 114305), (785, 91444), (1570, 45722), (3140, 22861)]