40006960

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{359}}^1$

素因数の和:578

約数の個数: 80

約数和(自身を含む): 107136000

約数和(自身を除く): 67129040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 359, 398, 560, 718, 796, 995, 1393, 1436, 1592, 1795, 1990, 2513, 2786, 2872, 3184, 3590, 3980, 5026, 5572, 5744, 6965, 7180, 7960, 10052, 11144, 12565, 13930, 14360, 15920, 20104, 22288, 25130, 27860, 28720, 40208, 50260, 55720, 71441, 100520, 111440, 142882, 201040, 285764, 357205, 500087, 571528, 714410, 1000174, 1143056, 1428820, 2000348, 2500435, 2857640, 4000696, 5000870, 5715280, 8001392, 10001740, 20003480, 40006960]

約数ペア:

[(1, 40006960), (2, 20003480), (4, 10001740), (5, 8001392), (7, 5715280), (8, 5000870), (10, 4000696), (14, 2857640), (16, 2500435), (20, 2000348), (28, 1428820), (35, 1143056), (40, 1000174), (56, 714410), (70, 571528), (80, 500087), (112, 357205), (140, 285764), (199, 201040), (280, 142882), (359, 111440), (398, 100520), (560, 71441), (718, 55720), (796, 50260), (995, 40208), (1393, 28720), (1436, 27860), (1592, 25130), (1795, 22288), (1990, 20104), (2513, 15920), (2786, 14360), (2872, 13930), (3184, 12565), (3590, 11144), (3980, 10052), (5026, 7960), (5572, 7180), (5744, 6965)]