209240120

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{41189}}^1$

素因数の和:41327

約数の個数: 32

約数和(自身を含む): 474508800

約数和(自身を除く): 265268680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 41189, 82378, 164756, 205945, 329512, 411890, 823780, 1647560, 5231003, 10462006, 20924012, 26155015, 41848024, 52310030, 104620060, 209240120]

約数ペア:

[(1, 209240120), (2, 104620060), (4, 52310030), (5, 41848024), (8, 26155015), (10, 20924012), (20, 10462006), (40, 5231003), (127, 1647560), (254, 823780), (508, 411890), (635, 329512), (1016, 205945), (1270, 164756), (2540, 82378), (5080, 41189)]