39404440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{18587}}^1$

素因数の和:18651

約数の個数: 32

約数和(自身を含む): 90337680

約数和(自身を除く): 50933240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 18587, 37174, 74348, 92935, 148696, 185870, 371740, 743480, 985111, 1970222, 3940444, 4925555, 7880888, 9851110, 19702220, 39404440]

約数ペア:

[(1, 39404440), (2, 19702220), (4, 9851110), (5, 7880888), (8, 4925555), (10, 3940444), (20, 1970222), (40, 985111), (53, 743480), (106, 371740), (212, 185870), (265, 148696), (424, 92935), (530, 74348), (1060, 37174), (2120, 18587)]