90090305

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{20177}}^1$

素因数の和:20248

約数の個数: 16

約数和(自身を含む): 116225280

約数和(自身を除く): 26134975

約数列:

[1, 5, 19, 47, 95, 235, 893, 4465, 20177, 100885, 383363, 948319, 1916815, 4741595, 18018061, 90090305]

約数ペア:

[(1, 90090305), (5, 18018061), (19, 4741595), (47, 1916815), (95, 948319), (235, 383363), (893, 100885), (4465, 20177)]