26689240

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{59}}^1\times {\mathrm{263}}^1$

素因数の和:376

約数の個数: 64

約数和(自身を含む): 62726400

約数和(自身を除く): 36037160

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 59, 86, 118, 172, 215, 236, 263, 295, 344, 430, 472, 526, 590, 860, 1052, 1180, 1315, 1720, 2104, 2360, 2537, 2630, 5074, 5260, 10148, 10520, 11309, 12685, 15517, 20296, 22618, 25370, 31034, 45236, 50740, 56545, 62068, 77585, 90472, 101480, 113090, 124136, 155170, 226180, 310340, 452360, 620680, 667231, 1334462, 2668924, 3336155, 5337848, 6672310, 13344620, 26689240]

約数ペア:

[(1, 26689240), (2, 13344620), (4, 6672310), (5, 5337848), (8, 3336155), (10, 2668924), (20, 1334462), (40, 667231), (43, 620680), (59, 452360), (86, 310340), (118, 226180), (172, 155170), (215, 124136), (236, 113090), (263, 101480), (295, 90472), (344, 77585), (430, 62068), (472, 56545), (526, 50740), (590, 45236), (860, 31034), (1052, 25370), (1180, 22618), (1315, 20296), (1720, 15517), (2104, 12685), (2360, 11309), (2537, 10520), (2630, 10148), (5074, 5260)]