890242520

素因数分解:

$2^3\times 5^1\times {\mathrm{22256063}}^1$

素因数の和:22256074

約数の個数: 16

約数和(自身を含む): 2003045760

約数和(自身を除く): 1112803240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 22256063, 44512126, 89024252, 111280315, 178048504, 222560630, 445121260, 890242520]

約数ペア:

[(1, 890242520), (2, 445121260), (4, 222560630), (5, 178048504), (8, 111280315), (10, 89024252), (20, 44512126), (40, 22256063)]