11575220

素因数分解:

$2^2\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1289}}^1$

素因数の和:1747

約数の個数: 24

約数和(自身を含む): 24381000

約数和(自身を除く): 12805780

約数列:

[1, 2, 4, 5, 10, 20, 449, 898, 1289, 1796, 2245, 2578, 4490, 5156, 6445, 8980, 12890, 25780, 578761, 1157522, 2315044, 2893805, 5787610, 11575220]

約数ペア:

[(1, 11575220), (2, 5787610), (4, 2893805), (5, 2315044), (10, 1157522), (20, 578761), (449, 25780), (898, 12890), (1289, 8980), (1796, 6445), (2245, 5156), (2578, 4490)]