13445480

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2141}}^1$

素因数の和:2309

約数の個数: 32

約数和(自身を含む): 30459240

約数和(自身を除く): 17013760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2141, 3140, 4282, 6280, 8564, 10705, 17128, 21410, 42820, 85640, 336137, 672274, 1344548, 1680685, 2689096, 3361370, 6722740, 13445480]

約数ペア:

[(1, 13445480), (2, 6722740), (4, 3361370), (5, 2689096), (8, 1680685), (10, 1344548), (20, 672274), (40, 336137), (157, 85640), (314, 42820), (628, 21410), (785, 17128), (1256, 10705), (1570, 8564), (2141, 6280), (3140, 4282)]