78424000

素因数分解:

$2^6\times 5^3\times {\mathrm{9803}}^1$

素因数の和:9830

約数の個数: 56

約数和(自身を含む): 194236848

約数和(自身を除く): 115812848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 125, 160, 200, 250, 320, 400, 500, 800, 1000, 1600, 2000, 4000, 8000, 9803, 19606, 39212, 49015, 78424, 98030, 156848, 196060, 245075, 313696, 392120, 490150, 627392, 784240, 980300, 1225375, 1568480, 1960600, 2450750, 3136960, 3921200, 4901500, 7842400, 9803000, 15684800, 19606000, 39212000, 78424000]

約数ペア:

[(1, 78424000), (2, 39212000), (4, 19606000), (5, 15684800), (8, 9803000), (10, 7842400), (16, 4901500), (20, 3921200), (25, 3136960), (32, 2450750), (40, 1960600), (50, 1568480), (64, 1225375), (80, 980300), (100, 784240), (125, 627392), (160, 490150), (200, 392120), (250, 313696), (320, 245075), (400, 196060), (500, 156848), (800, 98030), (1000, 78424), (1600, 49015), (2000, 39212), (4000, 19606), (8000, 9803)]