1317310.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{4447}}^1$

素因数の和:4529

約数の個数: 32

約数和(自身を含む): 28823040

約数和(自身を除く): 16193560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 142, 284, 355, 568, 710, 1420, 2840, 4447, 8894, 17788, 22235, 35576, 44470, 88940, 177880, 315737, 631474, 1262948, 1578685, 2525896, 3157370, 6314740, 12629480]

約数ペア:

[(1, 12629480), (2, 6314740), (4, 3157370), (5, 2525896), (8, 1578685), (10, 1262948), (20, 631474), (40, 315737), (71, 177880), (142, 88940), (284, 44470), (355, 35576), (568, 22235), (710, 17788), (1420, 8894), (2840, 4447)]