81544000

素因数分解:

$2^6\times 5^3\times {\mathrm{10193}}^1$

素因数の和:10220

約数の個数: 56

約数和(自身を含む): 201963528

約数和(自身を除く): 120419528

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, 800, 1000, 1600, 2000, 4000, 8000, 10193, 20386, 40772, 50965, 81544, 101930, 163088, 203860, 254825, 326176, 407720, 509650, 652352, 815440, 1019300, 1274125, 1630880, 2038600, 2548250, 3261760, 4077200, 5096500, 8154400, 10193000, 16308800, 20386000, 40772000, 81544000]

約数ペア:

[(1, 81544000), (2, 40772000), (4, 20386000), (5, 16308800), (8, 10193000), (10, 8154400), (16, 5096500), (20, 4077200), (25, 3261760), (32, 2548250), (40, 2038600), (50, 1630880), (64, 1274125), (80, 1019300), (100, 815440), (125, 652352), (160, 509650), (200, 407720), (250, 326176), (320, 254825), (400, 203860), (500, 163088), (800, 101930), (1000, 81544), (1600, 50965), (2000, 40772), (4000, 20386), (8000, 10193)]