89474360

素因数分解:

$2^3\times 5^1\times {\mathrm{881}}^1\times {\mathrm{2539}}^1$

素因数の和:3431

約数の個数: 32

約数和(自身を含む): 201625200

約数和(自身を除く): 112150840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 881, 1762, 2539, 3524, 4405, 5078, 7048, 8810, 10156, 12695, 17620, 20312, 25390, 35240, 50780, 101560, 2236859, 4473718, 8947436, 11184295, 17894872, 22368590, 44737180, 89474360]

約数ペア:

[(1, 89474360), (2, 44737180), (4, 22368590), (5, 17894872), (8, 11184295), (10, 8947436), (20, 4473718), (40, 2236859), (881, 101560), (1762, 50780), (2539, 35240), (3524, 25390), (4405, 20312), (5078, 17620), (7048, 12695), (8810, 10156)]