64788560

素因数分解:

$2^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{17231}}^1$

素因数の和:17291

約数の個数: 40

約数和(自身を含む): 153847296

約数和(自身を除く): 89058736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 47, 80, 94, 188, 235, 376, 470, 752, 940, 1880, 3760, 17231, 34462, 68924, 86155, 137848, 172310, 275696, 344620, 689240, 809857, 1378480, 1619714, 3239428, 4049285, 6478856, 8098570, 12957712, 16197140, 32394280, 64788560]

約数ペア:

[(1, 64788560), (2, 32394280), (4, 16197140), (5, 12957712), (8, 8098570), (10, 6478856), (16, 4049285), (20, 3239428), (40, 1619714), (47, 1378480), (80, 809857), (94, 689240), (188, 344620), (235, 275696), (376, 172310), (470, 137848), (752, 86155), (940, 68924), (1880, 34462), (3760, 17231)]