68840000

素因数分解:

$2^6\times 5^4\times {\mathrm{1721}}^1$

素因数の和:1753

約数の個数: 70

約数和(自身を含む): 170800014

約数和(自身を除く): 101960014

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 625, 800, 1000, 1250, 1600, 1721, 2000, 2500, 3442, 4000, 5000, 6884, 8000, 8605, 10000, 13768, 17210, 20000, 27536, 34420, 40000, 43025, 55072, 68840, 86050, 110144, 137680, 172100, 215125, 275360, 344200, 430250, 550720, 688400, 860500, 1075625, 1376800, 1721000, 2151250, 2753600, 3442000, 4302500, 6884000, 8605000, 13768000, 17210000, 34420000, 68840000]

約数ペア:

[(1, 68840000), (2, 34420000), (4, 17210000), (5, 13768000), (8, 8605000), (10, 6884000), (16, 4302500), (20, 3442000), (25, 2753600), (32, 2151250), (40, 1721000), (50, 1376800), (64, 1075625), (80, 860500), (100, 688400), (125, 550720), (160, 430250), (200, 344200), (250, 275360), (320, 215125), (400, 172100), (500, 137680), (625, 110144), (800, 86050), (1000, 68840), (1250, 55072), (1600, 43025), (1721, 40000), (2000, 34420), (2500, 27536), (3442, 20000), (4000, 17210), (5000, 13768), (6884, 10000), (8000, 8605)]