28642400

素因数分解:

$2^5\times 5^2\times {\mathrm{35803}}^1$

素因数の和:35823

約数の個数: 36

約数和(自身を含む): 69925212

約数和(自身を除く): 41282812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 35803, 71606, 143212, 179015, 286424, 358030, 572848, 716060, 895075, 1145696, 1432120, 1790150, 2864240, 3580300, 5728480, 7160600, 14321200, 28642400]

約数ペア:

[(1, 28642400), (2, 14321200), (4, 7160600), (5, 5728480), (8, 3580300), (10, 2864240), (16, 1790150), (20, 1432120), (25, 1145696), (32, 895075), (40, 716060), (50, 572848), (80, 358030), (100, 286424), (160, 179015), (200, 143212), (400, 71606), (800, 35803)]