1866440

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{1609}}^1$

素因数の和:1649

約数の個数: 32

約数和(自身を含む): 4347000

約数和(自身を除く): 2480560

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 116, 145, 232, 290, 580, 1160, 1609, 3218, 6436, 8045, 12872, 16090, 32180, 46661, 64360, 93322, 186644, 233305, 373288, 466610, 933220, 1866440]

約数ペア:

[(1, 1866440), (2, 933220), (4, 466610), (5, 373288), (8, 233305), (10, 186644), (20, 93322), (29, 64360), (40, 46661), (58, 32180), (116, 16090), (145, 12872), (232, 8045), (290, 6436), (580, 3218), (1160, 1609)]