4090225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1$

素因数の和:217

約数の個数: 24

約数和(自身を含む): 5456000

約数和(自身を除く): 1365775

約数列:

[1, 5, 19, 25, 79, 95, 109, 395, 475, 545, 1501, 1975, 2071, 2725, 7505, 8611, 10355, 37525, 43055, 51775, 163609, 215275, 818045, 4090225]

約数ペア:

[(1, 4090225), (5, 818045), (19, 215275), (25, 163609), (79, 51775), (95, 43055), (109, 37525), (395, 10355), (475, 8611), (545, 7505), (1501, 2725), (1975, 2071)]