8978000

素因数分解:

$2^4\times 5^3\times {\mathrm{67}}^2$

素因数の和:157

約数の個数: 60

約数和(自身を含む): 22037652

約数和(自身を除く): 13059652

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 67, 80, 100, 125, 134, 200, 250, 268, 335, 400, 500, 536, 670, 1000, 1072, 1340, 1675, 2000, 2680, 3350, 4489, 5360, 6700, 8375, 8978, 13400, 16750, 17956, 22445, 26800, 33500, 35912, 44890, 67000, 71824, 89780, 112225, 134000, 179560, 224450, 359120, 448900, 561125, 897800, 1122250, 1795600, 2244500, 4489000, 8978000]

約数ペア:

[(1, 8978000), (2, 4489000), (4, 2244500), (5, 1795600), (8, 1122250), (10, 897800), (16, 561125), (20, 448900), (25, 359120), (40, 224450), (50, 179560), (67, 134000), (80, 112225), (100, 89780), (125, 71824), (134, 67000), (200, 44890), (250, 35912), (268, 33500), (335, 26800), (400, 22445), (500, 17956), (536, 16750), (670, 13400), (1000, 8978), (1072, 8375), (1340, 6700), (1675, 5360), (2000, 4489), (2680, 3350)]