8670294880

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{320647}}^1$

素因数の和:320688

約数の個数: 72

約数和(自身を含む): 22180504752

約数和(自身を除く): 13510209872

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 338, 416, 520, 676, 845, 1040, 1352, 1690, 2080, 2704, 3380, 5408, 6760, 13520, 27040, 320647, 641294, 1282588, 1603235, 2565176, 3206470, 4168411, 5130352, 6412940, 8336822, 10260704, 12825880, 16673644, 20842055, 25651760, 33347288, 41684110, 51303520, 54189343, 66694576, 83368220, 108378686, 133389152, 166736440, 216757372, 270946715, 333472880, 433514744, 541893430, 666945760, 867029488, 1083786860, 1734058976, 2167573720, 4335147440, 8670294880]

約数ペア:

[(1, 8670294880), (2, 4335147440), (4, 2167573720), (5, 1734058976), (8, 1083786860), (10, 867029488), (13, 666945760), (16, 541893430), (20, 433514744), (26, 333472880), (32, 270946715), (40, 216757372), (52, 166736440), (65, 133389152), (80, 108378686), (104, 83368220), (130, 66694576), (160, 54189343), (169, 51303520), (208, 41684110), (260, 33347288), (338, 25651760), (416, 20842055), (520, 16673644), (676, 12825880), (845, 10260704), (1040, 8336822), (1352, 6412940), (1690, 5130352), (2080, 4168411), (2704, 3206470), (3380, 2565176), (5408, 1603235), (6760, 1282588), (13520, 641294), (27040, 320647)]