2018981900

素因数分解:

$2^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1553063}}^1$

素因数の和:1553090

約数の個数: 36

約数和(自身を含む): 4718208432

約数和(自身を除く): 2699226532

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 130, 260, 325, 650, 1300, 1553063, 3106126, 6212252, 7765315, 15530630, 20189819, 31061260, 38826575, 40379638, 77653150, 80759276, 100949095, 155306300, 201898190, 403796380, 504745475, 1009490950, 2018981900]

約数ペア:

[(1, 2018981900), (2, 1009490950), (4, 504745475), (5, 403796380), (10, 201898190), (13, 155306300), (20, 100949095), (25, 80759276), (26, 77653150), (50, 40379638), (52, 38826575), (65, 31061260), (100, 20189819), (130, 15530630), (260, 7765315), (325, 6212252), (650, 3106126), (1300, 1553063)]