72321869080

素因数分解:

$2^3\times 5^1\times {\mathrm{21107}}^1\times {\mathrm{85661}}^1$

素因数の和:106779

約数の個数: 32

約数和(自身を含む): 162733814640

約数和(自身を除く): 90411945560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 21107, 42214, 84428, 85661, 105535, 168856, 171322, 211070, 342644, 422140, 428305, 685288, 844280, 856610, 1713220, 3426440, 1808046727, 3616093454, 7232186908, 9040233635, 14464373816, 18080467270, 36160934540, 72321869080]

約数ペア:

[(1, 72321869080), (2, 36160934540), (4, 18080467270), (5, 14464373816), (8, 9040233635), (10, 7232186908), (20, 3616093454), (40, 1808046727), (21107, 3426440), (42214, 1713220), (84428, 856610), (85661, 844280), (105535, 685288), (168856, 428305), (171322, 422140), (211070, 342644)]