80640796

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{650329}}^1$

素因数の和:650364

約数の個数: 12

約数和(自身を含む): 145673920

約数和(自身を除く): 65033124

約数列:

[1, 2, 4, 31, 62, 124, 650329, 1300658, 2601316, 20160199, 40320398, 80640796]

約数ペア:

[(1, 80640796), (2, 40320398), (4, 20160199), (31, 2601316), (62, 1300658), (124, 650329)]