40456475480

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{1247117}}^1$

素因数の和:1247939

約数の個数: 32

約数和(自身を含む): 91139383440

約数和(自身を除く): 50682907960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 3244, 4055, 6488, 8110, 16220, 32440, 1247117, 2494234, 4988468, 6235585, 9976936, 12471170, 24942340, 49884680, 1011411887, 2022823774, 4045647548, 5057059435, 8091295096, 10114118870, 20228237740, 40456475480]

約数ペア:

[(1, 40456475480), (2, 20228237740), (4, 10114118870), (5, 8091295096), (8, 5057059435), (10, 4045647548), (20, 2022823774), (40, 1011411887), (811, 49884680), (1622, 24942340), (3244, 12471170), (4055, 9976936), (6488, 6235585), (8110, 4988468), (16220, 2494234), (32440, 1247117)]