38646640

素因数分解:

$2^4\times 5^1\times {\mathrm{101}}^1\times {\mathrm{4783}}^1$

素因数の和:4897

約数の個数: 40

約数和(自身を含む): 90762048

約数和(自身を除く): 52115408

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 101, 202, 404, 505, 808, 1010, 1616, 2020, 4040, 4783, 8080, 9566, 19132, 23915, 38264, 47830, 76528, 95660, 191320, 382640, 483083, 966166, 1932332, 2415415, 3864664, 4830830, 7729328, 9661660, 19323320, 38646640]

約数ペア:

[(1, 38646640), (2, 19323320), (4, 9661660), (5, 7729328), (8, 4830830), (10, 3864664), (16, 2415415), (20, 1932332), (40, 966166), (80, 483083), (101, 382640), (202, 191320), (404, 95660), (505, 76528), (808, 47830), (1010, 38264), (1616, 23915), (2020, 19132), (4040, 9566), (4783, 8080)]