39816800

素因数分解:

$2^5\times 5^2\times {\mathrm{71}}^1\times {\mathrm{701}}^1$

素因数の和:792

約数の個数: 72

約数和(自身を含む): 98712432

約数和(自身を除く): 58895632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 71, 80, 100, 142, 160, 200, 284, 355, 400, 568, 701, 710, 800, 1136, 1402, 1420, 1775, 2272, 2804, 2840, 3505, 3550, 5608, 5680, 7010, 7100, 11216, 11360, 14020, 14200, 17525, 22432, 28040, 28400, 35050, 49771, 56080, 56800, 70100, 99542, 112160, 140200, 199084, 248855, 280400, 398168, 497710, 560800, 796336, 995420, 1244275, 1592672, 1990840, 2488550, 3981680, 4977100, 7963360, 9954200, 19908400, 39816800]

約数ペア:

[(1, 39816800), (2, 19908400), (4, 9954200), (5, 7963360), (8, 4977100), (10, 3981680), (16, 2488550), (20, 1990840), (25, 1592672), (32, 1244275), (40, 995420), (50, 796336), (71, 560800), (80, 497710), (100, 398168), (142, 280400), (160, 248855), (200, 199084), (284, 140200), (355, 112160), (400, 99542), (568, 70100), (701, 56800), (710, 56080), (800, 49771), (1136, 35050), (1402, 28400), (1420, 28040), (1775, 22432), (2272, 17525), (2804, 14200), (2840, 14020), (3505, 11360), (3550, 11216), (5608, 7100), (5680, 7010)]