18110139725

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{1609}}^1$

素因数の和:1878

約数の個数: 48

約数和(自身を含む): 23477664000

約数和(自身を除く): 5367524275

約数列:

[1, 5, 25, 41, 79, 139, 205, 395, 695, 1025, 1609, 1975, 3239, 3475, 5699, 8045, 10981, 16195, 28495, 40225, 54905, 65969, 80975, 127111, 142475, 223651, 274525, 329845, 450221, 635555, 1118255, 1649225, 2251105, 3177775, 5211551, 5591275, 9169691, 11255525, 17668429, 26057755, 45848455, 88342145, 130288775, 229242275, 441710725, 724405589, 3622027945, 18110139725]

約数ペア:

[(1, 18110139725), (5, 3622027945), (25, 724405589), (41, 441710725), (79, 229242275), (139, 130288775), (205, 88342145), (395, 45848455), (695, 26057755), (1025, 17668429), (1609, 11255525), (1975, 9169691), (3239, 5591275), (3475, 5211551), (5699, 3177775), (8045, 2251105), (10981, 1649225), (16195, 1118255), (28495, 635555), (40225, 450221), (54905, 329845), (65969, 274525), (80975, 223651), (127111, 142475)]