79011640

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:772

約数の個数: 64

約数和(自身を含む): 184757760

約数和(自身を除く): 105746120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 71, 86, 142, 172, 215, 284, 344, 355, 430, 568, 647, 710, 860, 1294, 1420, 1720, 2588, 2840, 3053, 3235, 5176, 6106, 6470, 12212, 12940, 15265, 24424, 25880, 27821, 30530, 45937, 55642, 61060, 91874, 111284, 122120, 139105, 183748, 222568, 229685, 278210, 367496, 459370, 556420, 918740, 1112840, 1837480, 1975291, 3950582, 7901164, 9876455, 15802328, 19752910, 39505820, 79011640]

約数ペア:

[(1, 79011640), (2, 39505820), (4, 19752910), (5, 15802328), (8, 9876455), (10, 7901164), (20, 3950582), (40, 1975291), (43, 1837480), (71, 1112840), (86, 918740), (142, 556420), (172, 459370), (215, 367496), (284, 278210), (344, 229685), (355, 222568), (430, 183748), (568, 139105), (647, 122120), (710, 111284), (860, 91874), (1294, 61060), (1420, 55642), (1720, 45937), (2588, 30530), (2840, 27821), (3053, 25880), (3235, 24424), (5176, 15265), (6106, 12940), (6470, 12212)]