5561480

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{541}}^1$

素因数の和:809

約数の個数: 32

約数和(自身を含む): 12585240

約数和(自身を除く): 7023760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 541, 1028, 1082, 1285, 2056, 2164, 2570, 2705, 4328, 5140, 5410, 10280, 10820, 21640, 139037, 278074, 556148, 695185, 1112296, 1390370, 2780740, 5561480]

約数ペア:

[(1, 5561480), (2, 2780740), (4, 1390370), (5, 1112296), (8, 695185), (10, 556148), (20, 278074), (40, 139037), (257, 21640), (514, 10820), (541, 10280), (1028, 5410), (1082, 5140), (1285, 4328), (2056, 2705), (2164, 2570)]