82505890

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{81689}}^1$

素因数の和:81797

約数の個数: 16

約数和(自身を含む): 149982840

約数和(自身を除く): 67476950

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 81689, 163378, 408445, 816890, 8250589, 16501178, 41252945, 82505890]

約数ペア:

[(1, 82505890), (2, 41252945), (5, 16501178), (10, 8250589), (101, 816890), (202, 408445), (505, 163378), (1010, 81689)]