80001004

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{487811}}^1$

素因数の和:487856

約数の個数: 12

約数和(自身を含む): 143416728

約数和(自身を除く): 63415724

約数列:

[1, 2, 4, 41, 82, 164, 487811, 975622, 1951244, 20000251, 40000502, 80001004]

約数ペア:

[(1, 80001004), (2, 40000502), (4, 20000251), (41, 1951244), (82, 975622), (164, 487811)]