61007720

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{17137}}^1$

素因数の和:17237

約数の個数: 32

約数和(自身を含む): 138817800

約数和(自身を除く): 77810080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 17137, 34274, 68548, 85685, 137096, 171370, 342740, 685480, 1525193, 3050386, 6100772, 7625965, 12201544, 15251930, 30503860, 61007720]

約数ペア:

[(1, 61007720), (2, 30503860), (4, 15251930), (5, 12201544), (8, 7625965), (10, 6100772), (20, 3050386), (40, 1525193), (89, 685480), (178, 342740), (356, 171370), (445, 137096), (712, 85685), (890, 68548), (1780, 34274), (3560, 17137)]