7779920

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1231}}^1$

素因数の和:1323

約数の個数: 40

約数和(自身を含む): 18332160

約数和(自身を除く): 10552240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1231, 1264, 1580, 2462, 3160, 4924, 6155, 6320, 9848, 12310, 19696, 24620, 49240, 97249, 98480, 194498, 388996, 486245, 777992, 972490, 1555984, 1944980, 3889960, 7779920]

約数ペア:

[(1, 7779920), (2, 3889960), (4, 1944980), (5, 1555984), (8, 972490), (10, 777992), (16, 486245), (20, 388996), (40, 194498), (79, 98480), (80, 97249), (158, 49240), (316, 24620), (395, 19696), (632, 12310), (790, 9848), (1231, 6320), (1264, 6155), (1580, 4924), (2462, 3160)]