39661480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{23059}}^1$

素因数の和:23113

約数の個数: 32

約数和(自身を含む): 91317600

約数和(自身を除く): 51656120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 23059, 46118, 92236, 115295, 184472, 230590, 461180, 922360, 991537, 1983074, 3966148, 4957685, 7932296, 9915370, 19830740, 39661480]

約数ペア:

[(1, 39661480), (2, 19830740), (4, 9915370), (5, 7932296), (8, 4957685), (10, 3966148), (20, 1983074), (40, 991537), (43, 922360), (86, 461180), (172, 230590), (215, 184472), (344, 115295), (430, 92236), (860, 46118), (1720, 23059)]