64307800

素因数分解:

$2^3\times 5^2\times {\mathrm{137}}^1\times {\mathrm{2347}}^1$

素因数の和:2500

約数の個数: 48

約数和(自身を含む): 150671160

約数和(自身を除く): 86363360

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 137, 200, 274, 548, 685, 1096, 1370, 2347, 2740, 3425, 4694, 5480, 6850, 9388, 11735, 13700, 18776, 23470, 27400, 46940, 58675, 93880, 117350, 234700, 321539, 469400, 643078, 1286156, 1607695, 2572312, 3215390, 6430780, 8038475, 12861560, 16076950, 32153900, 64307800]

約数ペア:

[(1, 64307800), (2, 32153900), (4, 16076950), (5, 12861560), (8, 8038475), (10, 6430780), (20, 3215390), (25, 2572312), (40, 1607695), (50, 1286156), (100, 643078), (137, 469400), (200, 321539), (274, 234700), (548, 117350), (685, 93880), (1096, 58675), (1370, 46940), (2347, 27400), (2740, 23470), (3425, 18776), (4694, 13700), (5480, 11735), (6850, 9388)]