2018777840

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{536909}}^1$

素因数の和:536969

約数の個数: 40

約数和(自身を含む): 4793532480

約数和(自身を除く): 2774754640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 536909, 1073818, 2147636, 2684545, 4295272, 5369090, 8590544, 10738180, 21476360, 25234723, 42952720, 50469446, 100938892, 126173615, 201877784, 252347230, 403755568, 504694460, 1009388920, 2018777840]

約数ペア:

[(1, 2018777840), (2, 1009388920), (4, 504694460), (5, 403755568), (8, 252347230), (10, 201877784), (16, 126173615), (20, 100938892), (40, 50469446), (47, 42952720), (80, 25234723), (94, 21476360), (188, 10738180), (235, 8590544), (376, 5369090), (470, 4295272), (752, 2684545), (940, 2147636), (1880, 1073818), (3760, 536909)]