80494532420

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{269}}^1\times {\mathrm{15569}}^1$

素因数の和:15909

約数の個数: 72

約数和(自身を含む): 175327853400

約数和(自身を除く): 94833320980

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 269, 310, 538, 620, 961, 1076, 1345, 1922, 2690, 3844, 4805, 5380, 8339, 9610, 15569, 16678, 19220, 31138, 33356, 41695, 62276, 77845, 83390, 155690, 166780, 258509, 311380, 482639, 517018, 965278, 1034036, 1292545, 1930556, 2413195, 2585090, 4188061, 4826390, 5170180, 8376122, 9652780, 14961809, 16752244, 20940305, 29923618, 41880610, 59847236, 74809045, 83761220, 129829891, 149618090, 259659782, 299236180, 519319564, 649149455, 1298298910, 2596597820, 4024726621, 8049453242, 16098906484, 20123633105, 40247266210, 80494532420]

約数ペア:

[(1, 80494532420), (2, 40247266210), (4, 20123633105), (5, 16098906484), (10, 8049453242), (20, 4024726621), (31, 2596597820), (62, 1298298910), (124, 649149455), (155, 519319564), (269, 299236180), (310, 259659782), (538, 149618090), (620, 129829891), (961, 83761220), (1076, 74809045), (1345, 59847236), (1922, 41880610), (2690, 29923618), (3844, 20940305), (4805, 16752244), (5380, 14961809), (8339, 9652780), (9610, 8376122), (15569, 5170180), (16678, 4826390), (19220, 4188061), (31138, 2585090), (33356, 2413195), (41695, 1930556), (62276, 1292545), (77845, 1034036), (83390, 965278), (155690, 517018), (166780, 482639), (258509, 311380)]