13875560

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{4391}}^1$

素因数の和:4481

約数の個数: 32

約数和(自身を含む): 31622400

約数和(自身を除く): 17746840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 4391, 8782, 17564, 21955, 35128, 43910, 87820, 175640, 346889, 693778, 1387556, 1734445, 2775112, 3468890, 6937780, 13875560]

約数ペア:

[(1, 13875560), (2, 6937780), (4, 3468890), (5, 2775112), (8, 1734445), (10, 1387556), (20, 693778), (40, 346889), (79, 175640), (158, 87820), (316, 43910), (395, 35128), (632, 21955), (790, 17564), (1580, 8782), (3160, 4391)]