7955000

素因数分解:

$2^3\times 5^4\times {\mathrm{37}}^1\times {\mathrm{43}}^1$

素因数の和:106

約数の個数: 80

約数和(自身を含む): 19587480

約数和(自身を除く): 11632480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 37, 40, 43, 50, 74, 86, 100, 125, 148, 172, 185, 200, 215, 250, 296, 344, 370, 430, 500, 625, 740, 860, 925, 1000, 1075, 1250, 1480, 1591, 1720, 1850, 2150, 2500, 3182, 3700, 4300, 4625, 5000, 5375, 6364, 7400, 7955, 8600, 9250, 10750, 12728, 15910, 18500, 21500, 23125, 26875, 31820, 37000, 39775, 43000, 46250, 53750, 63640, 79550, 92500, 107500, 159100, 185000, 198875, 215000, 318200, 397750, 795500, 994375, 1591000, 1988750, 3977500, 7955000]

約数ペア:

[(1, 7955000), (2, 3977500), (4, 1988750), (5, 1591000), (8, 994375), (10, 795500), (20, 397750), (25, 318200), (37, 215000), (40, 198875), (43, 185000), (50, 159100), (74, 107500), (86, 92500), (100, 79550), (125, 63640), (148, 53750), (172, 46250), (185, 43000), (200, 39775), (215, 37000), (250, 31820), (296, 26875), (344, 23125), (370, 21500), (430, 18500), (500, 15910), (625, 12728), (740, 10750), (860, 9250), (925, 8600), (1000, 7955), (1075, 7400), (1250, 6364), (1480, 5375), (1591, 5000), (1720, 4625), (1850, 4300), (2150, 3700), (2500, 3182)]