2018123900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1552403}}^1$

素因数の和:1552430

約数の個数: 36

約数和(自身を含む): 4716203352

約数和(自身を除く): 2698079452

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1552403, 3104806, 6209612, 7762015, 15524030, 20181239, 31048060, 38810075, 40362478, 77620150, 80724956, 100906195, 155240300, 201812390, 403624780, 504530975, 1009061950, 2018123900]

約数ペア:

[(1, 2018123900), (2, 1009061950), (4, 504530975), (5, 403624780), (10, 201812390), (13, 155240300), (20, 100906195), (25, 80724956), (26, 77620150), (50, 40362478), (52, 38810075), (65, 31048060), (100, 20181239), (130, 15524030), (260, 7762015), (325, 6209612), (650, 3104806), (1300, 1552403)]