78705020

素因数分解:

$2^2\times 5^1\times {\mathrm{727}}^1\times {\mathrm{5413}}^1$

素因数の和:6149

約数の個数: 24

約数和(自身を含む): 165538464

約数和(自身を除く): 86833444

約数列:

[1, 2, 4, 5, 10, 20, 727, 1454, 2908, 3635, 5413, 7270, 10826, 14540, 21652, 27065, 54130, 108260, 3935251, 7870502, 15741004, 19676255, 39352510, 78705020]

約数ペア:

[(1, 78705020), (2, 39352510), (4, 19676255), (5, 15741004), (10, 7870502), (20, 3935251), (727, 108260), (1454, 54130), (2908, 27065), (3635, 21652), (5413, 14540), (7270, 10826)]