40025258

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:471

約数の個数: 48

約数和(自身を含む): 76272840

約数和(自身を除く): 36247582

約数列:

[1, 2, 7, 13, 14, 26, 49, 89, 91, 98, 178, 182, 353, 623, 637, 706, 1157, 1246, 1274, 2314, 2471, 4361, 4589, 4942, 8099, 8722, 9178, 16198, 17297, 31417, 32123, 34594, 56693, 62834, 64246, 113386, 219919, 224861, 408421, 439838, 449722, 816842, 1539433, 2858947, 3078866, 5717894, 20012629, 40025258]

約数ペア:

[(1, 40025258), (2, 20012629), (7, 5717894), (13, 3078866), (14, 2858947), (26, 1539433), (49, 816842), (89, 449722), (91, 439838), (98, 408421), (178, 224861), (182, 219919), (353, 113386), (623, 64246), (637, 62834), (706, 56693), (1157, 34594), (1246, 32123), (1274, 31417), (2314, 17297), (2471, 16198), (4361, 9178), (4589, 8722), (4942, 8099)]