11518480

素因数分解:

$2^4\times 5^1\times {\mathrm{143981}}^1$

素因数の和:143994

約数の個数: 20

約数和(自身を含む): 26780652

約数和(自身を除く): 15262172

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 143981, 287962, 575924, 719905, 1151848, 1439810, 2303696, 2879620, 5759240, 11518480]

約数ペア:

[(1, 11518480), (2, 5759240), (4, 2879620), (5, 2303696), (8, 1439810), (10, 1151848), (16, 719905), (20, 575924), (40, 287962), (80, 143981)]