132742420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{161881}}^1$

素因数の和:161931

約数の個数: 24

約数和(自身を含む): 285559848

約数和(自身を除く): 152817428

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 161881, 323762, 647524, 809405, 1618810, 3237620, 6637121, 13274242, 26548484, 33185605, 66371210, 132742420]

約数ペア:

[(1, 132742420), (2, 66371210), (4, 33185605), (5, 26548484), (10, 13274242), (20, 6637121), (41, 3237620), (82, 1618810), (164, 809405), (205, 647524), (410, 323762), (820, 161881)]