202106440

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{17981}}^1$

素因数の和:18273

約数の個数: 32

約数和(自身を含む): 456383160

約数和(自身を除く): 254276720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 17981, 35962, 71924, 89905, 143848, 179810, 359620, 719240, 5052661, 10105322, 20210644, 25263305, 40421288, 50526610, 101053220, 202106440]

約数ペア:

[(1, 202106440), (2, 101053220), (4, 50526610), (5, 40421288), (8, 25263305), (10, 20210644), (20, 10105322), (40, 5052661), (281, 719240), (562, 359620), (1124, 179810), (1405, 143848), (2248, 89905), (2810, 71924), (5620, 35962), (11240, 17981)]