12664000

素因数分解:

$2^6\times 5^3\times {\mathrm{1583}}^1$

素因数の和:1610

約数の個数: 56

約数和(自身を含む): 31382208

約数和(自身を除く): 18718208

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, 1583, 1600, 2000, 3166, 4000, 6332, 7915, 8000, 12664, 15830, 25328, 31660, 39575, 50656, 63320, 79150, 101312, 126640, 158300, 197875, 253280, 316600, 395750, 506560, 633200, 791500, 1266400, 1583000, 2532800, 3166000, 6332000, 12664000]

約数ペア:

[(1, 12664000), (2, 6332000), (4, 3166000), (5, 2532800), (8, 1583000), (10, 1266400), (16, 791500), (20, 633200), (25, 506560), (32, 395750), (40, 316600), (50, 253280), (64, 197875), (80, 158300), (100, 126640), (125, 101312), (160, 79150), (200, 63320), (250, 50656), (320, 39575), (400, 31660), (500, 25328), (800, 15830), (1000, 12664), (1583, 8000), (1600, 7915), (2000, 6332), (3166, 4000)]