208796080

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{6229}}^1$

素因数の和:6661

約数の個数: 40

約数和(自身を含む): 486687600

約数和(自身を除く): 277891520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 2095, 3352, 4190, 6229, 6704, 8380, 12458, 16760, 24916, 31145, 33520, 49832, 62290, 99664, 124580, 249160, 498320, 2609951, 5219902, 10439804, 13049755, 20879608, 26099510, 41759216, 52199020, 104398040, 208796080]

約数ペア:

[(1, 208796080), (2, 104398040), (4, 52199020), (5, 41759216), (8, 26099510), (10, 20879608), (16, 13049755), (20, 10439804), (40, 5219902), (80, 2609951), (419, 498320), (838, 249160), (1676, 124580), (2095, 99664), (3352, 62290), (4190, 49832), (6229, 33520), (6704, 31145), (8380, 24916), (12458, 16760)]