28664810

素因数分解:

$2^1\times 5^1\times {\mathrm{101}}^2\times {\mathrm{281}}^1$

素因数の和:490

約数の個数: 24

約数和(自身を含む): 52298028

約数和(自身を除く): 23633218

約数列:

[1, 2, 5, 10, 101, 202, 281, 505, 562, 1010, 1405, 2810, 10201, 20402, 28381, 51005, 56762, 102010, 141905, 283810, 2866481, 5732962, 14332405, 28664810]

約数ペア:

[(1, 28664810), (2, 14332405), (5, 5732962), (10, 2866481), (101, 283810), (202, 141905), (281, 102010), (505, 56762), (562, 51005), (1010, 28381), (1405, 20402), (2810, 10201)]