2018792920

素因数分解:

$2^3\times 5^1\times {\mathrm{11447}}^1\times {\mathrm{4409}}^1$

素因数の和:15867

約数の個数: 32

約数和(自身を含む): 4543711200

約数和(自身を除く): 2524918280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 4409, 8818, 11447, 17636, 22045, 22894, 35272, 44090, 45788, 57235, 88180, 91576, 114470, 176360, 228940, 457880, 50469823, 100939646, 201879292, 252349115, 403758584, 504698230, 1009396460, 2018792920]

約数ペア:

[(1, 2018792920), (2, 1009396460), (4, 504698230), (5, 403758584), (8, 252349115), (10, 201879292), (20, 100939646), (40, 50469823), (4409, 457880), (8818, 228940), (11447, 176360), (17636, 114470), (22045, 91576), (22894, 88180), (35272, 57235), (44090, 45788)]