89169020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{143821}}^1$

素因数の和:143861

約数の個数: 24

約数和(自身を含む): 193296768

約数和(自身を除く): 104127748

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 143821, 287642, 575284, 719105, 1438210, 2876420, 4458451, 8916902, 17833804, 22292255, 44584510, 89169020]

約数ペア:

[(1, 89169020), (2, 44584510), (4, 22292255), (5, 17833804), (10, 8916902), (20, 4458451), (31, 2876420), (62, 1438210), (124, 719105), (155, 575284), (310, 287642), (620, 143821)]