85103750

素因数分解:

$2^1\times 5^4\times {\mathrm{103}}^1\times {\mathrm{661}}^1$

素因数の和:786

約数の個数: 40

約数和(自身を含む): 161310864

約数和(自身を除く): 76207114

約数列:

[1, 2, 5, 10, 25, 50, 103, 125, 206, 250, 515, 625, 661, 1030, 1250, 1322, 2575, 3305, 5150, 6610, 12875, 16525, 25750, 33050, 64375, 68083, 82625, 128750, 136166, 165250, 340415, 413125, 680830, 826250, 1702075, 3404150, 8510375, 17020750, 42551875, 85103750]

約数ペア:

[(1, 85103750), (2, 42551875), (5, 17020750), (10, 8510375), (25, 3404150), (50, 1702075), (103, 826250), (125, 680830), (206, 413125), (250, 340415), (515, 165250), (625, 136166), (661, 128750), (1030, 82625), (1250, 68083), (1322, 64375), (2575, 33050), (3305, 25750), (5150, 16525), (6610, 12875)]