87261425

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{113}}^1$

素因数の和:242

約数の個数: 48

約数和(自身を含む): 122135040

約数和(自身を除く): 34873615

約数列:

[1, 5, 17, 23, 25, 79, 85, 113, 115, 391, 395, 425, 565, 575, 1343, 1817, 1921, 1955, 1975, 2599, 2825, 6715, 8927, 9085, 9605, 9775, 12995, 30889, 33575, 44183, 44635, 45425, 48025, 64975, 151759, 154445, 205321, 220915, 223175, 758795, 772225, 1026605, 1104575, 3490457, 3793975, 5133025, 17452285, 87261425]

約数ペア:

[(1, 87261425), (5, 17452285), (17, 5133025), (23, 3793975), (25, 3490457), (79, 1104575), (85, 1026605), (113, 772225), (115, 758795), (391, 223175), (395, 220915), (425, 205321), (565, 154445), (575, 151759), (1343, 64975), (1817, 48025), (1921, 45425), (1955, 44635), (1975, 44183), (2599, 33575), (2825, 30889), (6715, 12995), (8927, 9775), (9085, 9605)]