65853220

素因数分解:

$2^2\times 5^1\times {\mathrm{971}}^1\times {\mathrm{3391}}^1$

素因数の和:4371

約数の個数: 24

約数和(自身を含む): 138475008

約数和(自身を除く): 72621788

約数列:

[1, 2, 4, 5, 10, 20, 971, 1942, 3391, 3884, 4855, 6782, 9710, 13564, 16955, 19420, 33910, 67820, 3292661, 6585322, 13170644, 16463305, 32926610, 65853220]

約数ペア:

[(1, 65853220), (2, 32926610), (4, 16463305), (5, 13170644), (10, 6585322), (20, 3292661), (971, 67820), (1942, 33910), (3391, 19420), (3884, 16955), (4855, 13564), (6782, 9710)]