105194800

素因数分解:

$2^4\times 5^2\times {\mathrm{409}}^1\times {\mathrm{643}}^1$

素因数の和:1070

約数の個数: 60

約数和(自身を含む): 253742440

約数和(自身を除く): 148547640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 409, 643, 818, 1286, 1636, 2045, 2572, 3215, 3272, 4090, 5144, 6430, 6544, 8180, 10225, 10288, 12860, 16075, 16360, 20450, 25720, 32150, 32720, 40900, 51440, 64300, 81800, 128600, 163600, 257200, 262987, 525974, 1051948, 1314935, 2103896, 2629870, 4207792, 5259740, 6574675, 10519480, 13149350, 21038960, 26298700, 52597400, 105194800]

約数ペア:

[(1, 105194800), (2, 52597400), (4, 26298700), (5, 21038960), (8, 13149350), (10, 10519480), (16, 6574675), (20, 5259740), (25, 4207792), (40, 2629870), (50, 2103896), (80, 1314935), (100, 1051948), (200, 525974), (400, 262987), (409, 257200), (643, 163600), (818, 128600), (1286, 81800), (1636, 64300), (2045, 51440), (2572, 40900), (3215, 32720), (3272, 32150), (4090, 25720), (5144, 20450), (6430, 16360), (6544, 16075), (8180, 12860), (10225, 10288)]