25387780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{115399}}^1$

素因数の和:115419

約数の個数: 24

約数和(自身を含む): 58161600

約数和(自身を除く): 32773820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 115399, 230798, 461596, 576995, 1153990, 1269389, 2307980, 2538778, 5077556, 6346945, 12693890, 25387780]

約数ペア:

[(1, 25387780), (2, 12693890), (4, 6346945), (5, 5077556), (10, 2538778), (11, 2307980), (20, 1269389), (22, 1153990), (44, 576995), (55, 461596), (110, 230798), (220, 115399)]