87659020

素因数分解:

$2^2\times 5^1\times {\mathrm{4382951}}^1$

素因数の和:4382960

約数の個数: 12

約数和(自身を含む): 184083984

約数和(自身を除く): 96424964

約数列:

[1, 2, 4, 5, 10, 20, 4382951, 8765902, 17531804, 21914755, 43829510, 87659020]

約数ペア:

[(1, 87659020), (2, 43829510), (4, 21914755), (5, 17531804), (10, 8765902), (20, 4382951)]