3981902000

素因数分解:

$2^4\times 5^3\times {\mathrm{1990951}}^1$

素因数の和:1990974

約数の個数: 40

約数和(自身を含む): 9628243872

約数和(自身を除く): 5646341872

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000, 1990951, 3981902, 7963804, 9954755, 15927608, 19909510, 31855216, 39819020, 49773775, 79638040, 99547550, 159276080, 199095100, 248868875, 398190200, 497737750, 796380400, 995475500, 1990951000, 3981902000]

約数ペア:

[(1, 3981902000), (2, 1990951000), (4, 995475500), (5, 796380400), (8, 497737750), (10, 398190200), (16, 248868875), (20, 199095100), (25, 159276080), (40, 99547550), (50, 79638040), (80, 49773775), (100, 39819020), (125, 31855216), (200, 19909510), (250, 15927608), (400, 9954755), (500, 7963804), (1000, 3981902), (2000, 1990951)]