17489240

素因数分解:

$2^3\times 5^1\times {\mathrm{509}}^1\times {\mathrm{859}}^1$

素因数の和:1379

約数の個数: 32

約数和(自身を含む): 39474000

約数和(自身を除く): 21984760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 509, 859, 1018, 1718, 2036, 2545, 3436, 4072, 4295, 5090, 6872, 8590, 10180, 17180, 20360, 34360, 437231, 874462, 1748924, 2186155, 3497848, 4372310, 8744620, 17489240]

約数ペア:

[(1, 17489240), (2, 8744620), (4, 4372310), (5, 3497848), (8, 2186155), (10, 1748924), (20, 874462), (40, 437231), (509, 34360), (859, 20360), (1018, 17180), (1718, 10180), (2036, 8590), (2545, 6872), (3436, 5090), (4072, 4295)]