71335240

素因数分解:

$2^3\times 5^1\times {\mathrm{149}}^1\times {\mathrm{11969}}^1$

素因数の和:12129

約数の個数: 32

約数和(自身を含む): 161595000

約数和(自身を除く): 90259760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 149, 298, 596, 745, 1192, 1490, 2980, 5960, 11969, 23938, 47876, 59845, 95752, 119690, 239380, 478760, 1783381, 3566762, 7133524, 8916905, 14267048, 17833810, 35667620, 71335240]

約数ペア:

[(1, 71335240), (2, 35667620), (4, 17833810), (5, 14267048), (8, 8916905), (10, 7133524), (20, 3566762), (40, 1783381), (149, 478760), (298, 239380), (596, 119690), (745, 95752), (1192, 59845), (1490, 47876), (2980, 23938), (5960, 11969)]