129772000

素因数分解:

$2^5\times 5^3\times {\mathrm{32443}}^1$

素因数の和:32468

約数の個数: 48

約数和(自身を含む): 318859632

約数和(自身を除く): 189087632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 32443, 64886, 129772, 162215, 259544, 324430, 519088, 648860, 811075, 1038176, 1297720, 1622150, 2595440, 3244300, 4055375, 5190880, 6488600, 8110750, 12977200, 16221500, 25954400, 32443000, 64886000, 129772000]

約数ペア:

[(1, 129772000), (2, 64886000), (4, 32443000), (5, 25954400), (8, 16221500), (10, 12977200), (16, 8110750), (20, 6488600), (25, 5190880), (32, 4055375), (40, 3244300), (50, 2595440), (80, 1622150), (100, 1297720), (125, 1038176), (160, 811075), (200, 648860), (250, 519088), (400, 324430), (500, 259544), (800, 162215), (1000, 129772), (2000, 64886), (4000, 32443)]