2580996860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{522469}}^1$

素因数の和:522510

約数の個数: 48

約数和(自身を含む): 6144247200

約数和(自身を除く): 3563250340

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, 522469, 1044938, 2089876, 2612345, 5224690, 6792097, 9926911, 10449380, 13584194, 19853822, 27168388, 33960485, 39707644, 49634555, 67920970, 99269110, 129049843, 135841940, 198538220, 258099686, 516199372, 645249215, 1290498430, 2580996860]

約数ペア:

[(1, 2580996860), (2, 1290498430), (4, 645249215), (5, 516199372), (10, 258099686), (13, 198538220), (19, 135841940), (20, 129049843), (26, 99269110), (38, 67920970), (52, 49634555), (65, 39707644), (76, 33960485), (95, 27168388), (130, 19853822), (190, 13584194), (247, 10449380), (260, 9926911), (380, 6792097), (494, 5224690), (988, 2612345), (1235, 2089876), (2470, 1044938), (4940, 522469)]