123430480

素因数分解:

$2^4\times 5^1\times {\mathrm{1542881}}^1$

素因数の和:1542894

約数の個数: 20

約数和(自身を含む): 286976052

約数和(自身を除く): 163545572

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1542881, 3085762, 6171524, 7714405, 12343048, 15428810, 24686096, 30857620, 61715240, 123430480]

約数ペア:

[(1, 123430480), (2, 61715240), (4, 30857620), (5, 24686096), (8, 15428810), (10, 12343048), (16, 7714405), (20, 6171524), (40, 3085762), (80, 1542881)]