80053804520

素因数分解:

$2^3\times 5^1\times {\mathrm{7919}}^1\times {\mathrm{252727}}^1$

素因数の和:260657

約数の個数: 32

約数和(自身を含む): 180144518400

約数和(自身を除く): 100090713880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 7919, 15838, 31676, 39595, 63352, 79190, 158380, 252727, 316760, 505454, 1010908, 1263635, 2021816, 2527270, 5054540, 10109080, 2001345113, 4002690226, 8005380452, 10006725565, 16010760904, 20013451130, 40026902260, 80053804520]

約数ペア:

[(1, 80053804520), (2, 40026902260), (4, 20013451130), (5, 16010760904), (8, 10006725565), (10, 8005380452), (20, 4002690226), (40, 2001345113), (7919, 10109080), (15838, 5054540), (31676, 2527270), (39595, 2021816), (63352, 1263635), (79190, 1010908), (158380, 505454), (252727, 316760)]