1255697980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{15787}}^1$

素因数の和:15934

約数の個数: 48

約数和(自身を含む): 2729303136

約数和(自身を除く): 1473605156

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 97, 164, 194, 205, 388, 410, 485, 820, 970, 1940, 3977, 7954, 15787, 15908, 19885, 31574, 39770, 63148, 78935, 79540, 157870, 315740, 647267, 1294534, 1531339, 2589068, 3062678, 3236335, 6125356, 6472670, 7656695, 12945340, 15313390, 30626780, 62784899, 125569798, 251139596, 313924495, 627848990, 1255697980]

約数ペア:

[(1, 1255697980), (2, 627848990), (4, 313924495), (5, 251139596), (10, 125569798), (20, 62784899), (41, 30626780), (82, 15313390), (97, 12945340), (164, 7656695), (194, 6472670), (205, 6125356), (388, 3236335), (410, 3062678), (485, 2589068), (820, 1531339), (970, 1294534), (1940, 647267), (3977, 315740), (7954, 157870), (15787, 79540), (15908, 78935), (19885, 63148), (31574, 39770)]