109903480

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{10691}}^1$

素因数の和:10959

約数の個数: 32

約数和(自身を含む): 248268240

約数和(自身を除く): 138364760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 5140, 10280, 10691, 21382, 42764, 53455, 85528, 106910, 213820, 427640, 2747587, 5495174, 10990348, 13737935, 21980696, 27475870, 54951740, 109903480]

約数ペア:

[(1, 109903480), (2, 54951740), (4, 27475870), (5, 21980696), (8, 13737935), (10, 10990348), (20, 5495174), (40, 2747587), (257, 427640), (514, 213820), (1028, 106910), (1285, 85528), (2056, 53455), (2570, 42764), (5140, 21382), (10280, 10691)]