28570025

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{4517}}^1$

素因数の和:4561

約数の個数: 24

約数和(自身を含む): 40336704

約数和(自身を除く): 11766679

約数列:

[1, 5, 11, 23, 25, 55, 115, 253, 275, 575, 1265, 4517, 6325, 22585, 49687, 103891, 112925, 248435, 519455, 1142801, 1242175, 2597275, 5714005, 28570025]

約数ペア:

[(1, 28570025), (5, 5714005), (11, 2597275), (23, 1242175), (25, 1142801), (55, 519455), (115, 248435), (253, 112925), (275, 103891), (575, 49687), (1265, 22585), (4517, 6325)]