85209400

素因数分解:

$2^3\times 5^2\times {\mathrm{79}}^1\times {\mathrm{5393}}^1$

素因数の和:5488

約数の個数: 48

約数和(自身を含む): 200656800

約数和(自身を除く): 115447400

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 79, 100, 158, 200, 316, 395, 632, 790, 1580, 1975, 3160, 3950, 5393, 7900, 10786, 15800, 21572, 26965, 43144, 53930, 107860, 134825, 215720, 269650, 426047, 539300, 852094, 1078600, 1704188, 2130235, 3408376, 4260470, 8520940, 10651175, 17041880, 21302350, 42604700, 85209400]

約数ペア:

[(1, 85209400), (2, 42604700), (4, 21302350), (5, 17041880), (8, 10651175), (10, 8520940), (20, 4260470), (25, 3408376), (40, 2130235), (50, 1704188), (79, 1078600), (100, 852094), (158, 539300), (200, 426047), (316, 269650), (395, 215720), (632, 134825), (790, 107860), (1580, 53930), (1975, 43144), (3160, 26965), (3950, 21572), (5393, 15800), (7900, 10786)]