81052490

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{197689}}^1$

素因数の和:197737

約数の個数: 16

約数和(自身を含む): 149453640

約数和(自身を除く): 68401150

約数列:

[1, 2, 5, 10, 41, 82, 205, 410, 197689, 395378, 988445, 1976890, 8105249, 16210498, 40526245, 81052490]

約数ペア:

[(1, 81052490), (2, 40526245), (5, 16210498), (10, 8105249), (41, 1976890), (82, 988445), (205, 395378), (410, 197689)]