40072000

素因数分解:

$2^6\times 5^3\times {\mathrm{5009}}^1$

素因数の和:5036

約数の個数: 56

約数和(自身を含む): 99258120

約数和(自身を除く): 59186120

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, 5009, 8000, 10018, 20036, 25045, 40072, 50090, 80144, 100180, 125225, 160288, 200360, 250450, 320576, 400720, 500900, 626125, 801440, 1001800, 1252250, 1602880, 2003600, 2504500, 4007200, 5009000, 8014400, 10018000, 20036000, 40072000]

約数ペア:

[(1, 40072000), (2, 20036000), (4, 10018000), (5, 8014400), (8, 5009000), (10, 4007200), (16, 2504500), (20, 2003600), (25, 1602880), (32, 1252250), (40, 1001800), (50, 801440), (64, 626125), (80, 500900), (100, 400720), (125, 320576), (160, 250450), (200, 200360), (250, 160288), (320, 125225), (400, 100180), (500, 80144), (800, 50090), (1000, 40072), (1600, 25045), (2000, 20036), (4000, 10018), (5009, 8000)]