28114720

素因数分解:

$2^5\times 5^1\times {\mathrm{199}}^1\times {\mathrm{883}}^1$

素因数の和:1097

約数の個数: 48

約数和(自身を含む): 66830400

約数和(自身を除く): 38715680

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 199, 398, 796, 883, 995, 1592, 1766, 1990, 3184, 3532, 3980, 4415, 6368, 7064, 7960, 8830, 14128, 15920, 17660, 28256, 31840, 35320, 70640, 141280, 175717, 351434, 702868, 878585, 1405736, 1757170, 2811472, 3514340, 5622944, 7028680, 14057360, 28114720]

約数ペア:

[(1, 28114720), (2, 14057360), (4, 7028680), (5, 5622944), (8, 3514340), (10, 2811472), (16, 1757170), (20, 1405736), (32, 878585), (40, 702868), (80, 351434), (160, 175717), (199, 141280), (398, 70640), (796, 35320), (883, 31840), (995, 28256), (1592, 17660), (1766, 15920), (1990, 14128), (3184, 8830), (3532, 7960), (3980, 7064), (4415, 6368)]