22216025

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{4021}}^1$

素因数の和:4061

約数の個数: 24

約数和(自身を含む): 31419864

約数和(自身を除く): 9203839

約数列:

[1, 5, 13, 17, 25, 65, 85, 221, 325, 425, 1105, 4021, 5525, 20105, 52273, 68357, 100525, 261365, 341785, 888641, 1306825, 1708925, 4443205, 22216025]

約数ペア:

[(1, 22216025), (5, 4443205), (13, 1708925), (17, 1306825), (25, 888641), (65, 341785), (85, 261365), (221, 100525), (325, 68357), (425, 52273), (1105, 20105), (4021, 5525)]