965489320

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{13691}}^1$

素因数の和:13786

約数の個数: 64

約数和(自身を含む): 2277253440

約数和(自身を除く): 1311764120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 43, 82, 86, 164, 172, 205, 215, 328, 344, 410, 430, 820, 860, 1640, 1720, 1763, 3526, 7052, 8815, 13691, 14104, 17630, 27382, 35260, 54764, 68455, 70520, 109528, 136910, 273820, 547640, 561331, 588713, 1122662, 1177426, 2245324, 2354852, 2806655, 2943565, 4490648, 4709704, 5613310, 5887130, 11226620, 11774260, 22453240, 23548520, 24137233, 48274466, 96548932, 120686165, 193097864, 241372330, 482744660, 965489320]

約数ペア:

[(1, 965489320), (2, 482744660), (4, 241372330), (5, 193097864), (8, 120686165), (10, 96548932), (20, 48274466), (40, 24137233), (41, 23548520), (43, 22453240), (82, 11774260), (86, 11226620), (164, 5887130), (172, 5613310), (205, 4709704), (215, 4490648), (328, 2943565), (344, 2806655), (410, 2354852), (430, 2245324), (820, 1177426), (860, 1122662), (1640, 588713), (1720, 561331), (1763, 547640), (3526, 273820), (7052, 136910), (8815, 109528), (13691, 70520), (14104, 68455), (17630, 54764), (27382, 35260)]