38562220

素因数分解:

$2^2\times 5^1\times {\mathrm{199}}^1\times {\mathrm{9689}}^1$

素因数の和:9897

約数の個数: 24

約数和(自身を含む): 81396000

約数和(自身を除く): 42833780

約数列:

[1, 2, 4, 5, 10, 20, 199, 398, 796, 995, 1990, 3980, 9689, 19378, 38756, 48445, 96890, 193780, 1928111, 3856222, 7712444, 9640555, 19281110, 38562220]

約数ペア:

[(1, 38562220), (2, 19281110), (4, 9640555), (5, 7712444), (10, 3856222), (20, 1928111), (199, 193780), (398, 96890), (796, 48445), (995, 38756), (1990, 19378), (3980, 9689)]