82663736840

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{20461321}}^1$

素因数の和:20461433

約数の個数: 32

約数和(自身を含む): 187834935960

約数和(自身を除く): 105171199120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 808, 1010, 2020, 4040, 20461321, 40922642, 81845284, 102306605, 163690568, 204613210, 409226420, 818452840, 2066593421, 4133186842, 8266373684, 10332967105, 16532747368, 20665934210, 41331868420, 82663736840]

約数ペア:

[(1, 82663736840), (2, 41331868420), (4, 20665934210), (5, 16532747368), (8, 10332967105), (10, 8266373684), (20, 4133186842), (40, 2066593421), (101, 818452840), (202, 409226420), (404, 204613210), (505, 163690568), (808, 102306605), (1010, 81845284), (2020, 40922642), (4040, 20461321)]