2499668860

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{541}}^1\times {\mathrm{1367}}^1$

素因数の和:1943

約数の個数: 72

約数和(自身を含む): 5698830816

約数和(自身を除く): 3199161956

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 541, 676, 845, 1082, 1367, 1690, 2164, 2705, 2734, 3380, 5410, 5468, 6835, 7033, 10820, 13670, 14066, 17771, 27340, 28132, 35165, 35542, 70330, 71084, 88855, 91429, 140660, 177710, 182858, 231023, 355420, 365716, 457145, 462046, 739547, 914290, 924092, 1155115, 1479094, 1828580, 2310230, 2958188, 3697735, 4620460, 7395470, 9614111, 14790940, 19228222, 38456444, 48070555, 96141110, 124983443, 192282220, 249966886, 499933772, 624917215, 1249834430, 2499668860]

約数ペア:

[(1, 2499668860), (2, 1249834430), (4, 624917215), (5, 499933772), (10, 249966886), (13, 192282220), (20, 124983443), (26, 96141110), (52, 48070555), (65, 38456444), (130, 19228222), (169, 14790940), (260, 9614111), (338, 7395470), (541, 4620460), (676, 3697735), (845, 2958188), (1082, 2310230), (1367, 1828580), (1690, 1479094), (2164, 1155115), (2705, 924092), (2734, 914290), (3380, 739547), (5410, 462046), (5468, 457145), (6835, 365716), (7033, 355420), (10820, 231023), (13670, 182858), (14066, 177710), (17771, 140660), (27340, 91429), (28132, 88855), (35165, 71084), (35542, 70330)]