39186440

素因数分解:

$2^3\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4099}}^1$

素因数の和:4349

約数の個数: 32

約数和(自身を含む): 88560000

約数和(自身を除く): 49373560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 239, 478, 956, 1195, 1912, 2390, 4099, 4780, 8198, 9560, 16396, 20495, 32792, 40990, 81980, 163960, 979661, 1959322, 3918644, 4898305, 7837288, 9796610, 19593220, 39186440]

約数ペア:

[(1, 39186440), (2, 19593220), (4, 9796610), (5, 7837288), (8, 4898305), (10, 3918644), (20, 1959322), (40, 979661), (239, 163960), (478, 81980), (956, 40990), (1195, 32792), (1912, 20495), (2390, 16396), (4099, 9560), (4780, 8198)]