40432880

素因数分解:

$2^4\times 5^1\times {\mathrm{505411}}^1$

素因数の和:505424

約数の個数: 20

約数和(自身を含む): 94006632

約数和(自身を除く): 53573752

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 505411, 1010822, 2021644, 2527055, 4043288, 5054110, 8086576, 10108220, 20216440, 40432880]

約数ペア:

[(1, 40432880), (2, 20216440), (4, 10108220), (5, 8086576), (8, 5054110), (10, 4043288), (16, 2527055), (20, 2021644), (40, 1010822), (80, 505411)]