61844920

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{8011}}^1$

素因数の和:8215

約数の個数: 32

約数和(自身を含む): 139889520

約数和(自身を除く): 78044600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 3860, 7720, 8011, 16022, 32044, 40055, 64088, 80110, 160220, 320440, 1546123, 3092246, 6184492, 7730615, 12368984, 15461230, 30922460, 61844920]

約数ペア:

[(1, 61844920), (2, 30922460), (4, 15461230), (5, 12368984), (8, 7730615), (10, 6184492), (20, 3092246), (40, 1546123), (193, 320440), (386, 160220), (772, 80110), (965, 64088), (1544, 40055), (1930, 32044), (3860, 16022), (7720, 8011)]