203495120

素因数分解:

$2^4\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{2521}}^1$

素因数の和:3543

約数の個数: 40

約数和(自身を含む): 473782920

約数和(自身を除く): 270287800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1009, 2018, 2521, 4036, 5042, 5045, 8072, 10084, 10090, 12605, 16144, 20168, 20180, 25210, 40336, 40360, 50420, 80720, 100840, 201680, 2543689, 5087378, 10174756, 12718445, 20349512, 25436890, 40699024, 50873780, 101747560, 203495120]

約数ペア:

[(1, 203495120), (2, 101747560), (4, 50873780), (5, 40699024), (8, 25436890), (10, 20349512), (16, 12718445), (20, 10174756), (40, 5087378), (80, 2543689), (1009, 201680), (2018, 100840), (2521, 80720), (4036, 50420), (5042, 40360), (5045, 40336), (8072, 25210), (10084, 20180), (10090, 20168), (12605, 16144)]