27947240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{17041}}^1$

素因数の和:17093

約数の個数: 32

約数和(自身を含む): 64418760

約数和(自身を除く): 36471520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 17041, 34082, 68164, 85205, 136328, 170410, 340820, 681640, 698681, 1397362, 2794724, 3493405, 5589448, 6986810, 13973620, 27947240]

約数ペア:

[(1, 27947240), (2, 13973620), (4, 6986810), (5, 5589448), (8, 3493405), (10, 2794724), (20, 1397362), (40, 698681), (41, 681640), (82, 340820), (164, 170410), (205, 136328), (328, 85205), (410, 68164), (820, 34082), (1640, 17041)]