38801960

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{1723}}^1$

素因数の和:2297

約数の個数: 32

約数和(自身を含む): 87510240

約数和(自身を除く): 48708280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 1723, 2252, 2815, 3446, 4504, 5630, 6892, 8615, 11260, 13784, 17230, 22520, 34460, 68920, 970049, 1940098, 3880196, 4850245, 7760392, 9700490, 19400980, 38801960]

約数ペア:

[(1, 38801960), (2, 19400980), (4, 9700490), (5, 7760392), (8, 4850245), (10, 3880196), (20, 1940098), (40, 970049), (563, 68920), (1126, 34460), (1723, 22520), (2252, 17230), (2815, 13784), (3446, 11260), (4504, 8615), (5630, 6892)]