40860380

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2351}}^1$

素因数の和:2450

約数の個数: 48

約数和(自身を含む): 94832640

約数和(自身を除く): 53972260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 79, 110, 158, 220, 316, 395, 790, 869, 1580, 1738, 2351, 3476, 4345, 4702, 8690, 9404, 11755, 17380, 23510, 25861, 47020, 51722, 103444, 129305, 185729, 258610, 371458, 517220, 742916, 928645, 1857290, 2043019, 3714580, 4086038, 8172076, 10215095, 20430190, 40860380]

約数ペア:

[(1, 40860380), (2, 20430190), (4, 10215095), (5, 8172076), (10, 4086038), (11, 3714580), (20, 2043019), (22, 1857290), (44, 928645), (55, 742916), (79, 517220), (110, 371458), (158, 258610), (220, 185729), (316, 129305), (395, 103444), (790, 51722), (869, 47020), (1580, 25861), (1738, 23510), (2351, 17380), (3476, 11755), (4345, 9404), (4702, 8690)]