201081080

素因数分解:

$2^3\times 5^1\times {\mathrm{563}}^1\times {\mathrm{8929}}^1$

素因数の和:9503

約数の個数: 32

約数和(自身を含む): 453286800

約数和(自身を除く): 252205720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 563, 1126, 2252, 2815, 4504, 5630, 8929, 11260, 17858, 22520, 35716, 44645, 71432, 89290, 178580, 357160, 5027027, 10054054, 20108108, 25135135, 40216216, 50270270, 100540540, 201081080]

約数ペア:

[(1, 201081080), (2, 100540540), (4, 50270270), (5, 40216216), (8, 25135135), (10, 20108108), (20, 10054054), (40, 5027027), (563, 357160), (1126, 178580), (2252, 89290), (2815, 71432), (4504, 44645), (5630, 35716), (8929, 22520), (11260, 17858)]