142160000

素因数分解:

$2^7\times 5^4\times {\mathrm{1777}}^1$

素因数の和:1811

約数の個数: 80

約数和(自身を含む): 354097590

約数和(自身を除く): 211937590

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 128, 160, 200, 250, 320, 400, 500, 625, 640, 800, 1000, 1250, 1600, 1777, 2000, 2500, 3200, 3554, 4000, 5000, 7108, 8000, 8885, 10000, 14216, 16000, 17770, 20000, 28432, 35540, 40000, 44425, 56864, 71080, 80000, 88850, 113728, 142160, 177700, 222125, 227456, 284320, 355400, 444250, 568640, 710800, 888500, 1110625, 1137280, 1421600, 1777000, 2221250, 2843200, 3554000, 4442500, 5686400, 7108000, 8885000, 14216000, 17770000, 28432000, 35540000, 71080000, 142160000]

約数ペア:

[(1, 142160000), (2, 71080000), (4, 35540000), (5, 28432000), (8, 17770000), (10, 14216000), (16, 8885000), (20, 7108000), (25, 5686400), (32, 4442500), (40, 3554000), (50, 2843200), (64, 2221250), (80, 1777000), (100, 1421600), (125, 1137280), (128, 1110625), (160, 888500), (200, 710800), (250, 568640), (320, 444250), (400, 355400), (500, 284320), (625, 227456), (640, 222125), (800, 177700), (1000, 142160), (1250, 113728), (1600, 88850), (1777, 80000), (2000, 71080), (2500, 56864), (3200, 44425), (3554, 40000), (4000, 35540), (5000, 28432), (7108, 20000), (8000, 17770), (8885, 16000), (10000, 14216)]