40668290

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{307}}^1\times {\mathrm{1019}}^1$

素因数の和:1346

約数の個数: 32

約数和(自身を含む): 79168320

約数和(自身を除く): 38500030

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 307, 614, 1019, 1535, 2038, 3070, 3991, 5095, 7982, 10190, 13247, 19955, 26494, 39910, 66235, 132470, 312833, 625666, 1564165, 3128330, 4066829, 8133658, 20334145, 40668290]

約数ペア:

[(1, 40668290), (2, 20334145), (5, 8133658), (10, 4066829), (13, 3128330), (26, 1564165), (65, 625666), (130, 312833), (307, 132470), (614, 66235), (1019, 39910), (1535, 26494), (2038, 19955), (3070, 13247), (3991, 10190), (5095, 7982)]