1330674040

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{129443}}^1$

素因数の和:129711

約数の個数: 32

約数和(自身を含む): 3005689680

約数和(自身を除く): 1675015640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 129443, 258886, 517772, 647215, 1035544, 1294430, 2588860, 5177720, 33266851, 66533702, 133067404, 166334255, 266134808, 332668510, 665337020, 1330674040]

約数ペア:

[(1, 1330674040), (2, 665337020), (4, 332668510), (5, 266134808), (8, 166334255), (10, 133067404), (20, 66533702), (40, 33266851), (257, 5177720), (514, 2588860), (1028, 1294430), (1285, 1035544), (2056, 647215), (2570, 517772), (5140, 258886), (10280, 129443)]