38801680

素因数分解:

$2^4\times 5^1\times {\mathrm{485021}}^1$

素因数の和:485034

約数の個数: 20

約数和(自身を含む): 90214092

約数和(自身を除く): 51412412

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 485021, 970042, 1940084, 2425105, 3880168, 4850210, 7760336, 9700420, 19400840, 38801680]

約数ペア:

[(1, 38801680), (2, 19400840), (4, 9700420), (5, 7760336), (8, 4850210), (10, 3880168), (16, 2425105), (20, 1940084), (40, 970042), (80, 485021)]