12490940

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{8111}}^1$

素因数の和:8138

約数の個数: 48

約数和(自身を含む): 32707584

約数和(自身を除く): 20216644

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 8111, 16222, 32444, 40555, 56777, 81110, 89221, 113554, 162220, 178442, 227108, 283885, 356884, 446105, 567770, 624547, 892210, 1135540, 1249094, 1784420, 2498188, 3122735, 6245470, 12490940]

約数ペア:

[(1, 12490940), (2, 6245470), (4, 3122735), (5, 2498188), (7, 1784420), (10, 1249094), (11, 1135540), (14, 892210), (20, 624547), (22, 567770), (28, 446105), (35, 356884), (44, 283885), (55, 227108), (70, 178442), (77, 162220), (110, 113554), (140, 89221), (154, 81110), (220, 56777), (308, 40555), (385, 32444), (770, 16222), (1540, 8111)]