71971000

素因数分解:

$2^3\times 5^3\times {\mathrm{71971}}^1$

素因数の和:71992

約数の個数: 32

約数和(自身を含む): 168414480

約数和(自身を除く): 96443480

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000, 71971, 143942, 287884, 359855, 575768, 719710, 1439420, 1799275, 2878840, 3598550, 7197100, 8996375, 14394200, 17992750, 35985500, 71971000]

約数ペア:

[(1, 71971000), (2, 35985500), (4, 17992750), (5, 14394200), (8, 8996375), (10, 7197100), (20, 3598550), (25, 2878840), (40, 1799275), (50, 1439420), (100, 719710), (125, 575768), (200, 359855), (250, 287884), (500, 143942), (1000, 71971)]