2215240

素因数分解:

$2^3\times 5^1\times {\mathrm{55381}}^1$

素因数の和:55392

約数の個数: 16

約数和(自身を含む): 4984380

約数和(自身を除く): 2769140

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 55381, 110762, 221524, 276905, 443048, 553810, 1107620, 2215240]

約数ペア:

[(1, 2215240), (2, 1107620), (4, 553810), (5, 443048), (8, 276905), (10, 221524), (20, 110762), (40, 55381)]