3889960

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1321

約数の個数: 32

約数和(自身を含む): 8870400

約数和(自身を除く): 4980440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1231, 1580, 2462, 3160, 4924, 6155, 9848, 12310, 24620, 49240, 97249, 194498, 388996, 486245, 777992, 972490, 1944980, 3889960]

約数ペア:

[(1, 3889960), (2, 1944980), (4, 972490), (5, 777992), (8, 486245), (10, 388996), (20, 194498), (40, 97249), (79, 49240), (158, 24620), (316, 12310), (395, 9848), (632, 6155), (790, 4924), (1231, 3160), (1580, 2462)]