16804090

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:414

約数の個数: 32

約数和(自身を含む): 31104000

約数和(自身を除く): 14299910

約数列:

[1, 2, 5, 10, 79, 89, 158, 178, 239, 395, 445, 478, 790, 890, 1195, 2390, 7031, 14062, 18881, 21271, 35155, 37762, 42542, 70310, 94405, 106355, 188810, 212710, 1680409, 3360818, 8402045, 16804090]

約数ペア:

[(1, 16804090), (2, 8402045), (5, 3360818), (10, 1680409), (79, 212710), (89, 188810), (158, 106355), (178, 94405), (239, 70310), (395, 42542), (445, 37762), (478, 35155), (790, 21271), (890, 18881), (1195, 14062), (2390, 7031)]