28017942320

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1759921}}^1$

素因数の和:1760133

約数の個数: 40

約数和(自身を含む): 65469098400

約数和(自身を除く): 37451156080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 1759921, 3519842, 7039684, 8799605, 14079368, 17599210, 28158736, 35198420, 70396840, 140793680, 350224279, 700448558, 1400897116, 1751121395, 2801794232, 3502242790, 5603588464, 7004485580, 14008971160, 28017942320]

約数ペア:

[(1, 28017942320), (2, 14008971160), (4, 7004485580), (5, 5603588464), (8, 3502242790), (10, 2801794232), (16, 1751121395), (20, 1400897116), (40, 700448558), (80, 350224279), (199, 140793680), (398, 70396840), (796, 35198420), (995, 28158736), (1592, 17599210), (1990, 14079368), (3184, 8799605), (3980, 7039684), (7960, 3519842), (15920, 1759921)]