39440804

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{569}}^1$

素因数の和:660

約数の個数: 48

約数和(自身を含む): 78650880

約数和(自身を除く): 39210076

約数列:

[1, 2, 4, 13, 26, 31, 43, 52, 62, 86, 124, 172, 403, 559, 569, 806, 1118, 1138, 1333, 1612, 2236, 2276, 2666, 5332, 7397, 14794, 17329, 17639, 24467, 29588, 34658, 35278, 48934, 69316, 70556, 97868, 229307, 318071, 458614, 636142, 758477, 917228, 1272284, 1516954, 3033908, 9860201, 19720402, 39440804]

約数ペア:

[(1, 39440804), (2, 19720402), (4, 9860201), (13, 3033908), (26, 1516954), (31, 1272284), (43, 917228), (52, 758477), (62, 636142), (86, 458614), (124, 318071), (172, 229307), (403, 97868), (559, 70556), (569, 69316), (806, 48934), (1118, 35278), (1138, 34658), (1333, 29588), (1612, 24467), (2236, 17639), (2276, 17329), (2666, 14794), (5332, 7397)]