887240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{541}}^1$

素因数の和:593

約数の個数: 32

約数和(自身を含む): 2048760

約数和(自身を除く): 1161520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 541, 820, 1082, 1640, 2164, 2705, 4328, 5410, 10820, 21640, 22181, 44362, 88724, 110905, 177448, 221810, 443620, 887240]

約数ペア:

[(1, 887240), (2, 443620), (4, 221810), (5, 177448), (8, 110905), (10, 88724), (20, 44362), (40, 22181), (41, 21640), (82, 10820), (164, 5410), (205, 4328), (328, 2705), (410, 2164), (541, 1640), (820, 1082)]