27858275

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{263}}^1$

素因数の和:515

約数の個数: 24

約数和(自身を含む): 36664320

約数和(自身を除く): 8806045

約数列:

[1, 5, 19, 25, 95, 223, 263, 475, 1115, 1315, 4237, 4997, 5575, 6575, 21185, 24985, 58649, 105925, 124925, 293245, 1114331, 1466225, 5571655, 27858275]

約数ペア:

[(1, 27858275), (5, 5571655), (19, 1466225), (25, 1114331), (95, 293245), (223, 124925), (263, 105925), (475, 58649), (1115, 24985), (1315, 21185), (4237, 6575), (4997, 5575)]