81663130

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{379}}^1\times {\mathrm{743}}^1$

素因数の和:1158

約数の個数: 32

約数和(自身を含む): 152668800

約数和(自身を除く): 71005670

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 379, 743, 758, 1486, 1895, 3715, 3790, 7430, 10991, 21547, 21982, 43094, 54955, 107735, 109910, 215470, 281597, 563194, 1407985, 2815970, 8166313, 16332626, 40831565, 81663130]

約数ペア:

[(1, 81663130), (2, 40831565), (5, 16332626), (10, 8166313), (29, 2815970), (58, 1407985), (145, 563194), (290, 281597), (379, 215470), (743, 109910), (758, 107735), (1486, 54955), (1895, 43094), (3715, 21982), (3790, 21547), (7430, 10991)]