51783080

素因数分解:

$2^3\times 5^1\times {\mathrm{839}}^1\times {\mathrm{1543}}^1$

素因数の和:2393

約数の個数: 32

約数和(自身を含む): 116726400

約数和(自身を除く): 64943320

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 839, 1543, 1678, 3086, 3356, 4195, 6172, 6712, 7715, 8390, 12344, 15430, 16780, 30860, 33560, 61720, 1294577, 2589154, 5178308, 6472885, 10356616, 12945770, 25891540, 51783080]

約数ペア:

[(1, 51783080), (2, 25891540), (4, 12945770), (5, 10356616), (8, 6472885), (10, 5178308), (20, 2589154), (40, 1294577), (839, 61720), (1543, 33560), (1678, 30860), (3086, 16780), (3356, 15430), (4195, 12344), (6172, 8390), (6712, 7715)]