88400090

素因数分解:

$2^1\times 5^1\times {\mathrm{109}}^1\times {\mathrm{81101}}^1$

素因数の和:81217

約数の個数: 16

約数和(自身を含む): 160581960

約数和(自身を除く): 72181870

約数列:

[1, 2, 5, 10, 109, 218, 545, 1090, 81101, 162202, 405505, 811010, 8840009, 17680018, 44200045, 88400090]

約数ペア:

[(1, 88400090), (2, 44200045), (5, 17680018), (10, 8840009), (109, 811010), (218, 405505), (545, 162202), (1090, 81101)]