89210480

素因数分解:

$2^4\times 5^1\times {\mathrm{1115131}}^1$

素因数の和:1115144

約数の個数: 20

約数和(自身を含む): 207414552

約数和(自身を除く): 118204072

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1115131, 2230262, 4460524, 5575655, 8921048, 11151310, 17842096, 22302620, 44605240, 89210480]

約数ペア:

[(1, 89210480), (2, 44605240), (4, 22302620), (5, 17842096), (8, 11151310), (10, 8921048), (16, 5575655), (20, 4460524), (40, 2230262), (80, 1115131)]