2491844440

素因数分解:

$2^3\times 5^1\times {\mathrm{2273}}^1\times {\mathrm{27407}}^1$

素因数の和:29691

約数の個数: 32

約数和(自身を含む): 5609321280

約数和(自身を除く): 3117476840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2273, 4546, 9092, 11365, 18184, 22730, 27407, 45460, 54814, 90920, 109628, 137035, 219256, 274070, 548140, 1096280, 62296111, 124592222, 249184444, 311480555, 498368888, 622961110, 1245922220, 2491844440]

約数ペア:

[(1, 2491844440), (2, 1245922220), (4, 622961110), (5, 498368888), (8, 311480555), (10, 249184444), (20, 124592222), (40, 62296111), (2273, 1096280), (4546, 548140), (9092, 274070), (11365, 219256), (18184, 137035), (22730, 109628), (27407, 90920), (45460, 54814)]