64091920

素因数分解:

$2^4\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1423}}^1$

素因数の和:1999

約数の個数: 40

約数和(自身を含む): 149383296

約数和(自身を除く): 85291376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 563, 1126, 1423, 2252, 2815, 2846, 4504, 5630, 5692, 7115, 9008, 11260, 11384, 14230, 22520, 22768, 28460, 45040, 56920, 113840, 801149, 1602298, 3204596, 4005745, 6409192, 8011490, 12818384, 16022980, 32045960, 64091920]

約数ペア:

[(1, 64091920), (2, 32045960), (4, 16022980), (5, 12818384), (8, 8011490), (10, 6409192), (16, 4005745), (20, 3204596), (40, 1602298), (80, 801149), (563, 113840), (1126, 56920), (1423, 45040), (2252, 28460), (2815, 22768), (2846, 22520), (4504, 14230), (5630, 11384), (5692, 11260), (7115, 9008)]