2670440

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{661}}^1$

素因数の和:773

約数の個数: 32

約数和(自身を含む): 6077160

約数和(自身を除く): 3406720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 202, 404, 505, 661, 808, 1010, 1322, 2020, 2644, 3305, 4040, 5288, 6610, 13220, 26440, 66761, 133522, 267044, 333805, 534088, 667610, 1335220, 2670440]

約数ペア:

[(1, 2670440), (2, 1335220), (4, 667610), (5, 534088), (8, 333805), (10, 267044), (20, 133522), (40, 66761), (101, 26440), (202, 13220), (404, 6610), (505, 5288), (661, 4040), (808, 3305), (1010, 2644), (1322, 2020)]