15432280

素因数分解:

$2^3\times 5^1\times {\mathrm{193}}^1\times {\mathrm{1999}}^1$

素因数の和:2203

約数の個数: 32

約数和(自身を含む): 34920000

約数和(自身を除く): 19487720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 193, 386, 772, 965, 1544, 1930, 1999, 3860, 3998, 7720, 7996, 9995, 15992, 19990, 39980, 79960, 385807, 771614, 1543228, 1929035, 3086456, 3858070, 7716140, 15432280]

約数ペア:

[(1, 15432280), (2, 7716140), (4, 3858070), (5, 3086456), (8, 1929035), (10, 1543228), (20, 771614), (40, 385807), (193, 79960), (386, 39980), (772, 19990), (965, 15992), (1544, 9995), (1930, 7996), (1999, 7720), (3860, 3998)]