13208720

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{229}}^1$

素因数の和:352

約数の個数: 80

約数和(自身を含む): 35592960

約数和(自身を除く): 22384240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 103, 112, 140, 206, 229, 280, 412, 458, 515, 560, 721, 824, 916, 1030, 1145, 1442, 1603, 1648, 1832, 2060, 2290, 2884, 3206, 3605, 3664, 4120, 4580, 5768, 6412, 7210, 8015, 8240, 9160, 11536, 12824, 14420, 16030, 18320, 23587, 25648, 28840, 32060, 47174, 57680, 64120, 94348, 117935, 128240, 165109, 188696, 235870, 330218, 377392, 471740, 660436, 825545, 943480, 1320872, 1651090, 1886960, 2641744, 3302180, 6604360, 13208720]

約数ペア:

[(1, 13208720), (2, 6604360), (4, 3302180), (5, 2641744), (7, 1886960), (8, 1651090), (10, 1320872), (14, 943480), (16, 825545), (20, 660436), (28, 471740), (35, 377392), (40, 330218), (56, 235870), (70, 188696), (80, 165109), (103, 128240), (112, 117935), (140, 94348), (206, 64120), (229, 57680), (280, 47174), (412, 32060), (458, 28840), (515, 25648), (560, 23587), (721, 18320), (824, 16030), (916, 14420), (1030, 12824), (1145, 11536), (1442, 9160), (1603, 8240), (1648, 8015), (1832, 7210), (2060, 6412), (2290, 5768), (2884, 4580), (3206, 4120), (3605, 3664)]