145312880

素因数分解:

$2^4\times 5^1\times {\mathrm{1816411}}^1$

素因数の和:1816424

約数の個数: 20

約数和(自身を含む): 337852632

約数和(自身を除く): 192539752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1816411, 3632822, 7265644, 9082055, 14531288, 18164110, 29062576, 36328220, 72656440, 145312880]

約数ペア:

[(1, 145312880), (2, 72656440), (4, 36328220), (5, 29062576), (8, 18164110), (10, 14531288), (16, 9082055), (20, 7265644), (40, 3632822), (80, 1816411)]