5680000

素因数分解:

$2^7\times 5^4\times {\mathrm{71}}^1$

素因数の和:105

約数の個数: 80

約数和(自身を含む): 14339160

約数和(自身を除く): 8659160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 71, 80, 100, 125, 128, 142, 160, 200, 250, 284, 320, 355, 400, 500, 568, 625, 640, 710, 800, 1000, 1136, 1250, 1420, 1600, 1775, 2000, 2272, 2500, 2840, 3200, 3550, 4000, 4544, 5000, 5680, 7100, 8000, 8875, 9088, 10000, 11360, 14200, 16000, 17750, 20000, 22720, 28400, 35500, 40000, 44375, 45440, 56800, 71000, 80000, 88750, 113600, 142000, 177500, 227200, 284000, 355000, 568000, 710000, 1136000, 1420000, 2840000, 5680000]

約数ペア:

[(1, 5680000), (2, 2840000), (4, 1420000), (5, 1136000), (8, 710000), (10, 568000), (16, 355000), (20, 284000), (25, 227200), (32, 177500), (40, 142000), (50, 113600), (64, 88750), (71, 80000), (80, 71000), (100, 56800), (125, 45440), (128, 44375), (142, 40000), (160, 35500), (200, 28400), (250, 22720), (284, 20000), (320, 17750), (355, 16000), (400, 14200), (500, 11360), (568, 10000), (625, 9088), (640, 8875), (710, 8000), (800, 7100), (1000, 5680), (1136, 5000), (1250, 4544), (1420, 4000), (1600, 3550), (1775, 3200), (2000, 2840), (2272, 2500)]