42400810

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{41981}}^1$

素因数の和:42089

約数の個数: 16

約数和(自身を含む): 77078952

約数和(自身を除く): 34678142

約数列:

[1, 2, 5, 10, 101, 202, 505, 1010, 41981, 83962, 209905, 419810, 4240081, 8480162, 21200405, 42400810]

約数ペア:

[(1, 42400810), (2, 21200405), (5, 8480162), (10, 4240081), (101, 419810), (202, 209905), (505, 83962), (1010, 41981)]