80450500

素因数分解:

$2^2\times 5^3\times {\mathrm{13}}^1\times {\mathrm{12377}}^1$

素因数の和:12409

約数の個数: 48

約数和(自身を含む): 189234864

約数和(自身を除く): 108784364

約数列:

[1, 2, 4, 5, 10, 13, 20, 25, 26, 50, 52, 65, 100, 125, 130, 250, 260, 325, 500, 650, 1300, 1625, 3250, 6500, 12377, 24754, 49508, 61885, 123770, 160901, 247540, 309425, 321802, 618850, 643604, 804505, 1237700, 1547125, 1609010, 3094250, 3218020, 4022525, 6188500, 8045050, 16090100, 20112625, 40225250, 80450500]

約数ペア:

[(1, 80450500), (2, 40225250), (4, 20112625), (5, 16090100), (10, 8045050), (13, 6188500), (20, 4022525), (25, 3218020), (26, 3094250), (50, 1609010), (52, 1547125), (65, 1237700), (100, 804505), (125, 643604), (130, 618850), (250, 321802), (260, 309425), (325, 247540), (500, 160901), (650, 123770), (1300, 61885), (1625, 49508), (3250, 24754), (6500, 12377)]