90604225

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{947}}^1$

素因数の和:1089

約数の個数: 24

約数和(自身を含む): 116376480

約数和(自身を除く): 25772255

約数列:

[1, 5, 25, 43, 89, 215, 445, 947, 1075, 2225, 3827, 4735, 19135, 23675, 40721, 84283, 95675, 203605, 421415, 1018025, 2107075, 3624169, 18120845, 90604225]

約数ペア:

[(1, 90604225), (5, 18120845), (25, 3624169), (43, 2107075), (89, 1018025), (215, 421415), (445, 203605), (947, 95675), (1075, 84283), (2225, 40721), (3827, 23675), (4735, 19135)]