83381740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{320699}}^1$

素因数の和:320721

約数の個数: 24

約数和(自身を含む): 188571600

約数和(自身を除く): 105189860

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 320699, 641398, 1282796, 1603495, 3206990, 4169087, 6413980, 8338174, 16676348, 20845435, 41690870, 83381740]

約数ペア:

[(1, 83381740), (2, 41690870), (4, 20845435), (5, 16676348), (10, 8338174), (13, 6413980), (20, 4169087), (26, 3206990), (52, 1603495), (65, 1282796), (130, 641398), (260, 320699)]