8410000

素因数分解:

$2^4\times 5^4\times {\mathrm{29}}^2$

素因数の和:86

約数の個数: 75

約数和(自身を含む): 21087781

約数和(自身を除く): 12677781

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 29, 40, 50, 58, 80, 100, 116, 125, 145, 200, 232, 250, 290, 400, 464, 500, 580, 625, 725, 841, 1000, 1160, 1250, 1450, 1682, 2000, 2320, 2500, 2900, 3364, 3625, 4205, 5000, 5800, 6728, 7250, 8410, 10000, 11600, 13456, 14500, 16820, 18125, 21025, 29000, 33640, 36250, 42050, 58000, 67280, 72500, 84100, 105125, 145000, 168200, 210250, 290000, 336400, 420500, 525625, 841000, 1051250, 1682000, 2102500, 4205000, 8410000]

約数ペア:

[(1, 8410000), (2, 4205000), (4, 2102500), (5, 1682000), (8, 1051250), (10, 841000), (16, 525625), (20, 420500), (25, 336400), (29, 290000), (40, 210250), (50, 168200), (58, 145000), (80, 105125), (100, 84100), (116, 72500), (125, 67280), (145, 58000), (200, 42050), (232, 36250), (250, 33640), (290, 29000), (400, 21025), (464, 18125), (500, 16820), (580, 14500), (625, 13456), (725, 11600), (841, 10000), (1000, 8410), (1160, 7250), (1250, 6728), (1450, 5800), (1682, 5000), (2000, 4205), (2320, 3625), (2500, 3364)]