16122518320

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{1012721}}^1$

素因数の和:1012933

約数の個数: 40

約数和(自身を含む): 37673258400

約数和(自身を除く): 21550740080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 796, 995, 1592, 1990, 3184, 3980, 7960, 15920, 1012721, 2025442, 4050884, 5063605, 8101768, 10127210, 16203536, 20254420, 40508840, 81017680, 201531479, 403062958, 806125916, 1007657395, 1612251832, 2015314790, 3224503664, 4030629580, 8061259160, 16122518320]

約数ペア:

[(1, 16122518320), (2, 8061259160), (4, 4030629580), (5, 3224503664), (8, 2015314790), (10, 1612251832), (16, 1007657395), (20, 806125916), (40, 403062958), (80, 201531479), (199, 81017680), (398, 40508840), (796, 20254420), (995, 16203536), (1592, 10127210), (1990, 8101768), (3184, 5063605), (3980, 4050884), (7960, 2025442), (15920, 1012721)]