12642400

素因数分解:

$2^5\times 5^2\times {\mathrm{15803}}^1$

素因数の和:15823

約数の個数: 36

約数和(自身を含む): 30865212

約数和(自身を除く): 18222812

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 80, 100, 160, 200, 400, 800, 15803, 31606, 63212, 79015, 126424, 158030, 252848, 316060, 395075, 505696, 632120, 790150, 1264240, 1580300, 2528480, 3160600, 6321200, 12642400]

約数ペア:

[(1, 12642400), (2, 6321200), (4, 3160600), (5, 2528480), (8, 1580300), (10, 1264240), (16, 790150), (20, 632120), (25, 505696), (32, 395075), (40, 316060), (50, 252848), (80, 158030), (100, 126424), (160, 79015), (200, 63212), (400, 31606), (800, 15803)]