81023210

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{80221}}^1$

素因数の和:80329

約数の個数: 16

約数和(自身を含む): 147287592

約数和(自身を除く): 66264382

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 80221, 160442, 401105, 802210, 8102321, 16204642, 40511605, 81023210]

約数ペア:

[(1, 81023210), (2, 40511605), (5, 16204642), (10, 8102321), (101, 802210), (202, 401105), (505, 160442), (1010, 80221)]