25784495

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{109}}^1$

素因数の和:176

約数の個数: 48

約数和(自身を含む): 37920960

約数和(自身を除く): 12136465

約数列:

[1, 5, 11, 17, 23, 55, 85, 109, 115, 121, 187, 253, 391, 545, 605, 935, 1199, 1265, 1853, 1955, 2057, 2507, 2783, 4301, 5995, 9265, 10285, 12535, 13189, 13915, 20383, 21505, 27577, 42619, 47311, 65945, 101915, 137885, 213095, 224213, 236555, 303347, 468809, 1121065, 1516735, 2344045, 5156899, 25784495]

約数ペア:

[(1, 25784495), (5, 5156899), (11, 2344045), (17, 1516735), (23, 1121065), (55, 468809), (85, 303347), (109, 236555), (115, 224213), (121, 213095), (187, 137885), (253, 101915), (391, 65945), (545, 47311), (605, 42619), (935, 27577), (1199, 21505), (1265, 20383), (1853, 13915), (1955, 13189), (2057, 12535), (2507, 10285), (2783, 9265), (4301, 5995)]