57211375

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 86486400

約数和(自身を除く): 29275025

約数列:

[1, 5, 13, 17, 19, 25, 65, 85, 95, 109, 125, 221, 247, 323, 325, 425, 475, 545, 1105, 1235, 1417, 1615, 1625, 1853, 2071, 2125, 2375, 2725, 4199, 5525, 6175, 7085, 8075, 9265, 10355, 13625, 20995, 24089, 26923, 27625, 30875, 35207, 35425, 40375, 46325, 51775, 104975, 120445, 134615, 176035, 177125, 231625, 258875, 457691, 524875, 602225, 673075, 880175, 2288455, 3011125, 3365375, 4400875, 11442275, 57211375]

約数ペア:

[(1, 57211375), (5, 11442275), (13, 4400875), (17, 3365375), (19, 3011125), (25, 2288455), (65, 880175), (85, 673075), (95, 602225), (109, 524875), (125, 457691), (221, 258875), (247, 231625), (323, 177125), (325, 176035), (425, 134615), (475, 120445), (545, 104975), (1105, 51775), (1235, 46325), (1417, 40375), (1615, 35425), (1625, 35207), (1853, 30875), (2071, 27625), (2125, 26923), (2375, 24089), (2725, 20995), (4199, 13625), (5525, 10355), (6175, 9265), (7085, 8075)]