220160810

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{217981}}^1$

素因数の和:218089

約数の個数: 16

約数和(自身を含む): 400214952

約数和(自身を除く): 180054142

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 217981, 435962, 1089905, 2179810, 22016081, 44032162, 110080405, 220160810]

約数ペア:

[(1, 220160810), (2, 110080405), (5, 44032162), (10, 22016081), (101, 2179810), (202, 1089905), (505, 435962), (1010, 217981)]