84155840

素因数分解:

$2^6\times 5^1\times {\mathrm{409}}^1\times {\mathrm{643}}^1$

素因数の和:1069

約数の個数: 56

約数和(自身を含む): 201198480

約数和(自身を除く): 117042640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 409, 643, 818, 1286, 1636, 2045, 2572, 3215, 3272, 4090, 5144, 6430, 6544, 8180, 10288, 12860, 13088, 16360, 20576, 25720, 26176, 32720, 41152, 51440, 65440, 102880, 130880, 205760, 262987, 525974, 1051948, 1314935, 2103896, 2629870, 4207792, 5259740, 8415584, 10519480, 16831168, 21038960, 42077920, 84155840]

約数ペア:

[(1, 84155840), (2, 42077920), (4, 21038960), (5, 16831168), (8, 10519480), (10, 8415584), (16, 5259740), (20, 4207792), (32, 2629870), (40, 2103896), (64, 1314935), (80, 1051948), (160, 525974), (320, 262987), (409, 205760), (643, 130880), (818, 102880), (1286, 65440), (1636, 51440), (2045, 41152), (2572, 32720), (3215, 26176), (3272, 25720), (4090, 20576), (5144, 16360), (6430, 13088), (6544, 12860), (8180, 10288)]