40220398

素因数分解:

$2^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1\times {\mathrm{499}}^1$

素因数の和:903

約数の個数: 16

約数和(自身を含む): 61056000

約数和(自身を除く): 20835602

約数列:

[1, 2, 191, 211, 382, 422, 499, 998, 40301, 80602, 95309, 105289, 190618, 210578, 20110199, 40220398]

約数ペア:

[(1, 40220398), (2, 20110199), (191, 210578), (211, 190618), (382, 105289), (422, 95309), (499, 80602), (998, 40301)]