12869702920

素因数分解:

$2^3\times 5^1\times {\mathrm{4051}}^1\times {\mathrm{79423}}^1$

素因数の和:83485

約数の個数: 32

約数和(自身を含む): 28964344320

約数和(自身を除く): 16094641400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4051, 8102, 16204, 20255, 32408, 40510, 79423, 81020, 158846, 162040, 317692, 397115, 635384, 794230, 1588460, 3176920, 321742573, 643485146, 1286970292, 1608712865, 2573940584, 3217425730, 6434851460, 12869702920]

約数ペア:

[(1, 12869702920), (2, 6434851460), (4, 3217425730), (5, 2573940584), (8, 1608712865), (10, 1286970292), (20, 643485146), (40, 321742573), (4051, 3176920), (8102, 1588460), (16204, 794230), (20255, 635384), (32408, 397115), (40510, 317692), (79423, 162040), (81020, 158846)]