4987240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3041}}^1$

素因数の和:3093

約数の個数: 32

約数和(自身を含む): 11498760

約数和(自身を除く): 6511520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 3041, 6082, 12164, 15205, 24328, 30410, 60820, 121640, 124681, 249362, 498724, 623405, 997448, 1246810, 2493620, 4987240]

約数ペア:

[(1, 4987240), (2, 2493620), (4, 1246810), (5, 997448), (8, 623405), (10, 498724), (20, 249362), (40, 124681), (41, 121640), (82, 60820), (164, 30410), (205, 24328), (328, 15205), (410, 12164), (820, 6082), (1640, 3041)]