2045687540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{605233}}^1$

素因数の和:605268

約数の個数: 36

約数和(自身を含む): 4651828524

約数和(自身を除く): 2606140984

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 605233, 1210466, 2420932, 3026165, 6052330, 7868029, 12104660, 15736058, 31472116, 39340145, 78680290, 102284377, 157360580, 204568754, 409137508, 511421885, 1022843770, 2045687540]

約数ペア:

[(1, 2045687540), (2, 1022843770), (4, 511421885), (5, 409137508), (10, 204568754), (13, 157360580), (20, 102284377), (26, 78680290), (52, 39340145), (65, 31472116), (130, 15736058), (169, 12104660), (260, 7868029), (338, 6052330), (676, 3026165), (845, 2420932), (1690, 1210466), (3380, 605233)]