1400620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5387}}^1$

素因数の和:5409

約数の個数: 24

約数和(自身を含む): 3168144

約数和(自身を除く): 1767524

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 5387, 10774, 21548, 26935, 53870, 70031, 107740, 140062, 280124, 350155, 700310, 1400620]

約数ペア:

[(1, 1400620), (2, 700310), (4, 350155), (5, 280124), (10, 140062), (13, 107740), (20, 70031), (26, 53870), (52, 26935), (65, 21548), (130, 10774), (260, 5387)]