86410000

素因数分解:

$2^4\times 5^4\times {\mathrm{8641}}^1$

素因数の和:8669

約数の個数: 50

約数和(自身を含む): 209231462

約数和(自身を除く): 122821462

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 8641, 10000, 17282, 34564, 43205, 69128, 86410, 138256, 172820, 216025, 345640, 432050, 691280, 864100, 1080125, 1728200, 2160250, 3456400, 4320500, 5400625, 8641000, 10801250, 17282000, 21602500, 43205000, 86410000]

約数ペア:

[(1, 86410000), (2, 43205000), (4, 21602500), (5, 17282000), (8, 10801250), (10, 8641000), (16, 5400625), (20, 4320500), (25, 3456400), (40, 2160250), (50, 1728200), (80, 1080125), (100, 864100), (125, 691280), (200, 432050), (250, 345640), (400, 216025), (500, 172820), (625, 138256), (1000, 86410), (1250, 69128), (2000, 43205), (2500, 34564), (5000, 17282), (8641, 10000)]