10981480

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{977}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 24821640

約数和(自身を除く): 13840160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 977, 1124, 1405, 1954, 2248, 2810, 3908, 4885, 5620, 7816, 9770, 11240, 19540, 39080, 274537, 549074, 1098148, 1372685, 2196296, 2745370, 5490740, 10981480]

約数ペア:

[(1, 10981480), (2, 5490740), (4, 2745370), (5, 2196296), (8, 1372685), (10, 1098148), (20, 549074), (40, 274537), (281, 39080), (562, 19540), (977, 11240), (1124, 9770), (1405, 7816), (1954, 5620), (2248, 4885), (2810, 3908)]