13771280

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2179}}^1$

素因数の和:2271

約数の個数: 40

約数和(自身を含む): 32438400

約数和(自身を除く): 18667120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2179, 3160, 4358, 6320, 8716, 10895, 17432, 21790, 34864, 43580, 87160, 172141, 174320, 344282, 688564, 860705, 1377128, 1721410, 2754256, 3442820, 6885640, 13771280]

約数ペア:

[(1, 13771280), (2, 6885640), (4, 3442820), (5, 2754256), (8, 1721410), (10, 1377128), (16, 860705), (20, 688564), (40, 344282), (79, 174320), (80, 172141), (158, 87160), (316, 43580), (395, 34864), (632, 21790), (790, 17432), (1264, 10895), (1580, 8716), (2179, 6320), (3160, 4358)]