11658640

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{191}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 31426560

約数和(自身を除く): 19767920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 109, 112, 140, 191, 218, 280, 382, 436, 545, 560, 763, 764, 872, 955, 1090, 1337, 1526, 1528, 1744, 1910, 2180, 2674, 3052, 3056, 3815, 3820, 4360, 5348, 6104, 6685, 7630, 7640, 8720, 10696, 12208, 13370, 15260, 15280, 20819, 21392, 26740, 30520, 41638, 53480, 61040, 83276, 104095, 106960, 145733, 166552, 208190, 291466, 333104, 416380, 582932, 728665, 832760, 1165864, 1457330, 1665520, 2331728, 2914660, 5829320, 11658640]

約数ペア:

[(1, 11658640), (2, 5829320), (4, 2914660), (5, 2331728), (7, 1665520), (8, 1457330), (10, 1165864), (14, 832760), (16, 728665), (20, 582932), (28, 416380), (35, 333104), (40, 291466), (56, 208190), (70, 166552), (80, 145733), (109, 106960), (112, 104095), (140, 83276), (191, 61040), (218, 53480), (280, 41638), (382, 30520), (436, 26740), (545, 21392), (560, 20819), (763, 15280), (764, 15260), (872, 13370), (955, 12208), (1090, 10696), (1337, 8720), (1526, 7640), (1528, 7630), (1744, 6685), (1910, 6104), (2180, 5348), (2674, 4360), (3052, 3820), (3056, 3815)]