13440079780

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{84011}}^1$

素因数の和:84460

約数の個数: 48

約数和(自身を含む): 29780573760

約数和(自身を除く): 16340493980

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 190, 380, 421, 842, 1684, 2105, 4210, 7999, 8420, 15998, 31996, 39995, 79990, 84011, 159980, 168022, 336044, 420055, 840110, 1596209, 1680220, 3192418, 6384836, 7981045, 15962090, 31924180, 35368631, 70737262, 141474524, 176843155, 353686310, 672003989, 707372620, 1344007978, 2688015956, 3360019945, 6720039890, 13440079780]

約数ペア:

[(1, 13440079780), (2, 6720039890), (4, 3360019945), (5, 2688015956), (10, 1344007978), (19, 707372620), (20, 672003989), (38, 353686310), (76, 176843155), (95, 141474524), (190, 70737262), (380, 35368631), (421, 31924180), (842, 15962090), (1684, 7981045), (2105, 6384836), (4210, 3192418), (7999, 1680220), (8420, 1596209), (15998, 840110), (31996, 420055), (39995, 336044), (79990, 168022), (84011, 159980)]