129899480

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{769}}^1$

素因数の和:924

約数の個数: 64

約数和(自身を含む): 302702400

約数和(自身を除く): 172802920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 103, 164, 205, 206, 328, 410, 412, 515, 769, 820, 824, 1030, 1538, 1640, 2060, 3076, 3845, 4120, 4223, 6152, 7690, 8446, 15380, 16892, 21115, 30760, 31529, 33784, 42230, 63058, 79207, 84460, 126116, 157645, 158414, 168920, 252232, 315290, 316828, 396035, 630580, 633656, 792070, 1261160, 1584140, 3168280, 3247487, 6494974, 12989948, 16237435, 25979896, 32474870, 64949740, 129899480]

約数ペア:

[(1, 129899480), (2, 64949740), (4, 32474870), (5, 25979896), (8, 16237435), (10, 12989948), (20, 6494974), (40, 3247487), (41, 3168280), (82, 1584140), (103, 1261160), (164, 792070), (205, 633656), (206, 630580), (328, 396035), (410, 316828), (412, 315290), (515, 252232), (769, 168920), (820, 158414), (824, 157645), (1030, 126116), (1538, 84460), (1640, 79207), (2060, 63058), (3076, 42230), (3845, 33784), (4120, 31529), (4223, 30760), (6152, 21115), (7690, 16892), (8446, 15380)]