161570246480

素因数分解:

$2^4\times 5^1\times {\mathrm{2019628081}}^1$

素因数の和:2019628094

約数の個数: 20

約数和(自身を含む): 375650823252

約数和(自身を除く): 214080576772

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2019628081, 4039256162, 8078512324, 10098140405, 16157024648, 20196280810, 32314049296, 40392561620, 80785123240, 161570246480]

約数ペア:

[(1, 161570246480), (2, 80785123240), (4, 40392561620), (5, 32314049296), (8, 20196280810), (10, 16157024648), (16, 10098140405), (20, 8078512324), (40, 4039256162), (80, 2019628081)]