53648440

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{9649}}^1$

素因数の和:9799

約数の個数: 32

約数和(自身を含む): 121590000

約数和(自身を除く): 67941560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 9649, 19298, 38596, 48245, 77192, 96490, 192980, 385960, 1341211, 2682422, 5364844, 6706055, 10729688, 13412110, 26824220, 53648440]

約数ペア:

[(1, 53648440), (2, 26824220), (4, 13412110), (5, 10729688), (8, 6706055), (10, 5364844), (20, 2682422), (40, 1341211), (139, 385960), (278, 192980), (556, 96490), (695, 77192), (1112, 48245), (1390, 38596), (2780, 19298), (5560, 9649)]