26611780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{5387}}^1$

素因数の和:5428

約数の個数: 48

約数和(自身を含む): 63362880

約数和(自身を除く): 36751100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 5387, 10774, 21548, 26935, 53870, 70031, 102353, 107740, 140062, 204706, 280124, 350155, 409412, 511765, 700310, 1023530, 1330589, 1400620, 2047060, 2661178, 5322356, 6652945, 13305890, 26611780]

約数ペア:

[(1, 26611780), (2, 13305890), (4, 6652945), (5, 5322356), (10, 2661178), (13, 2047060), (19, 1400620), (20, 1330589), (26, 1023530), (38, 700310), (52, 511765), (65, 409412), (76, 350155), (95, 280124), (130, 204706), (190, 140062), (247, 107740), (260, 102353), (380, 70031), (494, 53870), (988, 26935), (1235, 21548), (2470, 10774), (4940, 5387)]