7964612000

素因数分解:

$2^5\times 5^3\times {\mathrm{1991153}}^1$

素因数の和:1991178

約数の個数: 48

約数和(自身を含む): 19569061512

約数和(自身を除く): 11604449512

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 125, 160, 200, 250, 400, 500, 800, 1000, 2000, 4000, 1991153, 3982306, 7964612, 9955765, 15929224, 19911530, 31858448, 39823060, 49778825, 63716896, 79646120, 99557650, 159292240, 199115300, 248894125, 318584480, 398230600, 497788250, 796461200, 995576500, 1592922400, 1991153000, 3982306000, 7964612000]

約数ペア:

[(1, 7964612000), (2, 3982306000), (4, 1991153000), (5, 1592922400), (8, 995576500), (10, 796461200), (16, 497788250), (20, 398230600), (25, 318584480), (32, 248894125), (40, 199115300), (50, 159292240), (80, 99557650), (100, 79646120), (125, 63716896), (160, 49778825), (200, 39823060), (250, 31858448), (400, 19911530), (500, 15929224), (800, 9955765), (1000, 7964612), (2000, 3982306), (4000, 1991153)]