201325990

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{491039}}^1$

素因数の和:491087

約数の個数: 16

約数和(自身を含む): 371226240

約数和(自身を除く): 169900250

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 491039, 982078, 2455195, 4910390, 20132599, 40265198, 100662995, 201325990]

約数ペア:

[(1, 201325990), (2, 100662995), (5, 40265198), (10, 20132599), (41, 4910390), (82, 2455195), (205, 982078), (410, 491039)]