38880550

素因数分解:

$2^1\times 5^2\times {\mathrm{389}}^1\times {\mathrm{1999}}^1$

素因数の和:2400

約数の個数: 24

約数和(自身を含む): 72540000

約数和(自身を除く): 33659450

約数列:

[1, 2, 5, 10, 25, 50, 389, 778, 1945, 1999, 3890, 3998, 9725, 9995, 19450, 19990, 49975, 99950, 777611, 1555222, 3888055, 7776110, 19440275, 38880550]

約数ペア:

[(1, 38880550), (2, 19440275), (5, 7776110), (10, 3888055), (25, 1555222), (50, 777611), (389, 99950), (778, 49975), (1945, 19990), (1999, 19450), (3890, 9995), (3998, 9725)]