984820

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1201}}^1$

素因数の和:1251

約数の個数: 24

約数和(自身を含む): 2120328

約数和(自身を除く): 1135508

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 1201, 2402, 4804, 6005, 12010, 24020, 49241, 98482, 196964, 246205, 492410, 984820]

約数ペア:

[(1, 984820), (2, 492410), (4, 246205), (5, 196964), (10, 98482), (20, 49241), (41, 24020), (82, 12010), (164, 6005), (205, 4804), (410, 2402), (820, 1201)]