1840000

素因数分解:

$2^7\times 5^4\times {\mathrm{23}}^1$

素因数の和:57

約数の個数: 80

約数和(自身を含む): 4779720

約数和(自身を除く): 2939720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 25, 32, 40, 46, 50, 64, 80, 92, 100, 115, 125, 128, 160, 184, 200, 230, 250, 320, 368, 400, 460, 500, 575, 625, 640, 736, 800, 920, 1000, 1150, 1250, 1472, 1600, 1840, 2000, 2300, 2500, 2875, 2944, 3200, 3680, 4000, 4600, 5000, 5750, 7360, 8000, 9200, 10000, 11500, 14375, 14720, 16000, 18400, 20000, 23000, 28750, 36800, 40000, 46000, 57500, 73600, 80000, 92000, 115000, 184000, 230000, 368000, 460000, 920000, 1840000]

約数ペア:

[(1, 1840000), (2, 920000), (4, 460000), (5, 368000), (8, 230000), (10, 184000), (16, 115000), (20, 92000), (23, 80000), (25, 73600), (32, 57500), (40, 46000), (46, 40000), (50, 36800), (64, 28750), (80, 23000), (92, 20000), (100, 18400), (115, 16000), (125, 14720), (128, 14375), (160, 11500), (184, 10000), (200, 9200), (230, 8000), (250, 7360), (320, 5750), (368, 5000), (400, 4600), (460, 4000), (500, 3680), (575, 3200), (625, 2944), (640, 2875), (736, 2500), (800, 2300), (920, 2000), (1000, 1840), (1150, 1600), (1250, 1472)]