90120688

素因数分解:

$2^4\times 7^1\times {\mathrm{89}}^1\times {\mathrm{9041}}^1$

素因数の和:9145

約数の個数: 40

約数和(自身を含む): 201817440

約数和(自身を除く): 111696752

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 89, 112, 178, 356, 623, 712, 1246, 1424, 2492, 4984, 9041, 9968, 18082, 36164, 63287, 72328, 126574, 144656, 253148, 506296, 804649, 1012592, 1609298, 3218596, 5632543, 6437192, 11265086, 12874384, 22530172, 45060344, 90120688]

約数ペア:

[(1, 90120688), (2, 45060344), (4, 22530172), (7, 12874384), (8, 11265086), (14, 6437192), (16, 5632543), (28, 3218596), (56, 1609298), (89, 1012592), (112, 804649), (178, 506296), (356, 253148), (623, 144656), (712, 126574), (1246, 72328), (1424, 63287), (2492, 36164), (4984, 18082), (9041, 9968)]