81937270

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{8689}}^1$

素因数の和:8760

約数の個数: 32

約数和(自身を含む): 157671360

約数和(自身を除く): 75734090

約数列:

[1, 2, 5, 10, 23, 41, 46, 82, 115, 205, 230, 410, 943, 1886, 4715, 8689, 9430, 17378, 43445, 86890, 199847, 356249, 399694, 712498, 999235, 1781245, 1998470, 3562490, 8193727, 16387454, 40968635, 81937270]

約数ペア:

[(1, 81937270), (2, 40968635), (5, 16387454), (10, 8193727), (23, 3562490), (41, 1998470), (46, 1781245), (82, 999235), (115, 712498), (205, 399694), (230, 356249), (410, 199847), (943, 86890), (1886, 43445), (4715, 17378), (8689, 9430)]