1652440

素因数分解:

$2^3\times 5^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1$

素因数の和:499

約数の個数: 32

約数和(自身を含む): 3762000

約数和(自身を除く): 2109560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 109, 218, 379, 436, 545, 758, 872, 1090, 1516, 1895, 2180, 3032, 3790, 4360, 7580, 15160, 41311, 82622, 165244, 206555, 330488, 413110, 826220, 1652440]

約数ペア:

[(1, 1652440), (2, 826220), (4, 413110), (5, 330488), (8, 206555), (10, 165244), (20, 82622), (40, 41311), (109, 15160), (218, 7580), (379, 4360), (436, 3790), (545, 3032), (758, 2180), (872, 1895), (1090, 1516)]