86861720

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{4591}}^1$

素因数の和:4656

約数の個数: 64

約数和(自身を含む): 218211840

約数和(自身を除く): 131350120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 43, 44, 55, 86, 88, 110, 172, 215, 220, 344, 430, 440, 473, 860, 946, 1720, 1892, 2365, 3784, 4591, 4730, 9182, 9460, 18364, 18920, 22955, 36728, 45910, 50501, 91820, 101002, 183640, 197413, 202004, 252505, 394826, 404008, 505010, 789652, 987065, 1010020, 1579304, 1974130, 2020040, 2171543, 3948260, 4343086, 7896520, 8686172, 10857715, 17372344, 21715430, 43430860, 86861720]

約数ペア:

[(1, 86861720), (2, 43430860), (4, 21715430), (5, 17372344), (8, 10857715), (10, 8686172), (11, 7896520), (20, 4343086), (22, 3948260), (40, 2171543), (43, 2020040), (44, 1974130), (55, 1579304), (86, 1010020), (88, 987065), (110, 789652), (172, 505010), (215, 404008), (220, 394826), (344, 252505), (430, 202004), (440, 197413), (473, 183640), (860, 101002), (946, 91820), (1720, 50501), (1892, 45910), (2365, 36728), (3784, 22955), (4591, 18920), (4730, 18364), (9182, 9460)]